17 Support Entries


The cold plate of the IGBT modules in the pacemaker HF (V1&V2) has reached the maximum temperature limit of 55°C.

In normal operation, solenoid valve Y126 should open at 35°C and close again when the cold plate has cooled down to 30°C.

Note: If you push the down arrow button, you can observe all values, including the current temperature values.


Possible Causes & Resolutions:

Check following as soon as the solenoid valve Y126 switches on (when cold plate has reached 35°C):

  • Clean all filters, replace filter cartridges
  • Clean the solenoid valve Y126: Switch off the cooling unit and disconnect the water inlet to the Pacemaker HF and drain the water. Remove coil and the piston unit with a torx screwdriver. Blow out the valve and clean the rubber seal. Reassemble the valve properly: Insert the piston unit with the spring on top, so the rubber seal is closing the outlet hole.

  • Disconnect the return hose from the water station: There is a reducer in the hose ! The hole may be blocked. Blow out/clean.

Note: In the Pacemaker HF V1 devices, the solenoid valves are integrated in the Pacemaker HF housing. The system works similar, even the solenoid valve type is the same.


If the solenoid valve Y126 does not switch on, although the temperature exceed 35°C, check the following points:

  • Check relay RL5 on the main board: If the temperature rise up to 35°C it should switch on. The LED LD20 indicates whether the relay is switched on.
  • If LD20 is on and still no power on terminal 9, check the jumper behind the relay: The jumper must connect both pin.
  • Possibly the relay is broken. Exchange the relay.


How To:

  1. Switch off cooling unit.
  2. Switch off main power. Wait 10 min until the capacitors inside PM HF are discharged before removing cover.
  3. Before you remove any cable, take some picture and note how they are connected.
  4. Disconnect the cables and water tubes on the c-bank.
  5. Disconnect the Powercable and the water tubes on PM HF unit.
  6. Disconnect the signal cable (Plug Sub D 25 Pin) and the panel cable (Plug Sub D 9 Pin).
  7. Disconnect the two valve cables inside PM HF.
  8. Remove the PM HF and replace with new or spare unit.
  9. Reconnect all cables.
  10. ATTENTION: Check the coil before connecting it!
  11. Double check all connection before switching on the main power.
  12. Compare the settings/parameter and change it if necessary. For instructions which parameters has to set and how to do please contact Can Man
  13. Re-start the PowerCURE™

Possible cause:

Diodes between IGBT’s are damaged

Measure /  exchange diodes:

Scroll down in the display menu until you reach the temperature display. Observe, if after crossing the switching threshold, the temperature doesn’t change, that the solenoid valve is blocked (when the 2nd thresholds are reached the message “over- or undertemperature” will be displayed).

NOTE: The error message “Ths too low (Ths = Temperature Heatsink)” might be an indication for a contaminated valve.

Potential remedy

  • Check the „over voltage limit“ in the basic-setup.
    Password for overvoltage (max. 900V) = “MENU-DOWN-ENTER-UP-DOWN-UP”
  • Check the “voltage limit” in the basic setup.
    Password for “voltage limit” (max. 565V) = “UP-DOWN-ENTER-UP-MENU-DOWN”
  • Check the inputvoltage (400Vac).
  • Is the wiring between C-bar (voltage measuring) and HF controller correct?
  • Check the voltage signal over the C-bar. The voltage peaks should not be higher than the “over voltage limit”. To measure you need a scope meter and a differential probe or a scope with isolation to ground. See the pictures of tools, where to connect and how the signal looks if everything is fine.
  • Check if the IC OC17 (Type 6N137) is faulty.
  • Try to start the generator. If not successful, request support.


Possible reason choke coil defective

  • Separate the choke coil from the original circuit and measure with an inductor → if the inductance is reduced a lot it mean is defective
  • original value = 320 microHenry


– Check the cooling-water-inlet.
– Check the “Ths” and “Tamb” on the display.
– Check the small fans of the Pacemaker


The error “Ths too low” means temperature heat sink (copperplate) too low. If the copper plate is too cold. It can damage the unit, if some condensation water flows to the electronic power parts.


Check if the valve closes correctly and clean the valve.

If you reassemble the valve, make sure you do it the right way (see picture)


Check the correct water flow direction.

Download PDF here

NOTE: The pictures showing a regular Pacemaker and not a Pacemaker HF as used in the PowerCure, but the issue is the same!

Correctives 1 – Too much heat during the first part of the curing process:

1.1.  The tin flow has to to be only as wide as the width of the powder and / or lacquer stripe and not more (usually around 15 mm for food and aerosol cans)!
- This width covers also lateral shifting can bodies during daily production!
- The internal powder must have a low melting point, starting from about 180°C!
- Most commercially available and good powder coats are fulfilling this demand For further information for recommended powders, please contact Can Man.

1.2.  The conveyor speed in the oven is too high, therefore the curing time too short!

– Distances between the cans of more than 1/2 canbody height is a reduction in curing time of 25% (or from 5 sec. to only about 3,8 sec.!)

1.3.  The adjustment of the coil to the can bodies is wrong.

1.4.  The curing length is too short (before order a longer curing system, please follow first the Correctives 2 and 3!)

Corrective 2 – The wet lacquer application is not constant, too thick or too thin!

2.1.  Especially for induction curing system, with shorter curing time, a constant film thickness is required!

- Please note that a constant and a “as thin as possible” lacquer application is essential not only onthe curing effect, but it also reduces the lacquer cost!

2.2.  The can body must be round – within standard tolerance -, overlap begin and end must be equal!

2.3.  Depending on the configuration, rubber roller or steel rollers must be used!

- For further information and / or support contact Can Man.

2.4.  The speed of the application roller is wrong, compared to the passing can bodies!

- Generally can be said, that a too high application roll speed leads to worse results than a too slow one.

- Depending on steel or rubber rollers different speed than can body speed might be used, but must be controlled and monitored.

2.5.  The material and / or the form of the rubber/steel roller profile is wrong!

- For the use of a steel roll (longer lifetime) we urgently recommend to have a “supporting conveyor “under” can body (available at Can Man)

Corrective 3 – Wrong wet lacquer type in use:

3.1.  Not every wet lacquer type is applicable for induction curing system due to the fact that the heat up ramps are much faster than with a gas curing system

- For a list of recommended (and pricewise competitive!) lacquers contact Can Man

3.2.  The correct viscosity and therefore the proportion of solvent is most important for a non-porous side seam protection.

- For further information and / or support contact Can Man.

Don’t worry, due to the induction process this is absolutely normal.

The reset LED flashes and a warning is shown!

If the reset LED flashes, then the system works in a critical state. The unit is still entirely functional, but it should be a hint for the operator to do something against the warning.

Contact Can Man for advice!

Possible cause:
Sparking on the induction coil

  • Make sure that there is a clearance of 3–5 mm between the coil and the canbody!
  • Make sure that the cooling water temperatur setting is correct (> 25°C) and you have no condensation at the coil. Condensation could cause a short circuit!

HF filter not set correctly (to high)

  • Check setting of PLL stfreq and HF filter. HF filter must be set 10KHz higher than the PLL stfreq. Go to the “system setup” to check.
    Note: The setting is password protected. If adjustment is needed, please contact Can Man.

Check all insulations of the coil and C-bar.

  • Download PDF here for more details!

Possible cause:

  1. Check the water flow. Is the water flow reduced compared to before!
  2. Clean the external filter.
  3. Do you have a drop of pressure compared to before?
  4. Check the water quality.
  5. If you have increased the power, it could be, that the water temperature at the C-bank is higher than before.
    • you might increase the flow – contact Can Man for advice
      (only for CM technician turn the restrictor / valve by an eighth of a turn).

Possible cause:

  • Battery voltage low = DC voltage across the chopper too low
  • Supply voltage mains (all three phases) 400V
  • Check main contactor K1 all connections tighten
    If you doubt the functioning of the contactor , replace it with the same type.
  • After loading and switching on the MS signal (K11 in the control), the main contactor (K1) should switch on and there should be 400V at the out put of the contactor.
  • The triggering of F1 is not shown on the display, respectively the error is reported as “battery low voltage”. Reset the F1, when the error occurs again, increase the ampere value to 32 A.
  • Measure the voltage over the battery / capacitors in the standby condition. (min. 400 VDC)
  • Check the fuse at the 24V power supply (F1..F5)
  • Check if the relay K3 and K4 connections and plugged properly
  • If the message arises sporadically after a certain time, the receiver on the HF controller is probably defective. => Contact Can Man

Water quality:
pH value: 7–9
Conductivity: 50–60 µS/cm
Total hardness: < 14 °dH
Filter: max 150 µm

The IC, which control the analog output, must be replaced. Please request support from Can Man!


The water flow of the coil is too low!

The standard setting for this error is 3l/min (can be found in the basic setup “rotary minflow”).


The actual water flow is shown in the display. Press down from the main menu on the display until you find the flow coil.

You have to switch “ON” the curing to open the water valve!

Check for possible causes:

  1. Check correct connection of inlet and outlet!
  2. Clean inlet water filter.
  3. Check your input pressure, you shouldhave about 5 bar.
  4. Check if a water tube is bended ordamaged.


Clean the water valves:

Therefore disconnect the water inlet to the Pacemaker HF and blow out the water. Take off the coil and open the valve with a torx screwdriver. Blow out the valve and clean the rubber.


Reassemble the valve properly (insert the closing block with the spring on top, so the rubber is closing the outlet hole.


Clean the rotary flow unit. Follow the instructions below.


  1. Disassemble device by grabbing lens center hex with 7/16″ socket and turning 45° counter-clockwise. Pull on lens to unseat. Dismantle internal components.
  2. Clean body interior (rotor cavity and o-ring gland).
  3. Lube o-ring.
  4. Install o-ring to body o-ring gland.
  5. Install shaft to body.
  6. Install rotor to body on shaft (on top of washer).
  7. Install lens to body.
  8. Turn lens 45° clockwise to lock it.
  9. Pressure test to 50 psi to proof o-ring integrity.

If were not successful, replace the rotary flow meter => CM article No 007906


Software Upgrade:

The software for the Pacemaker HF is memorized on a small processor board. For an update with new software, you need to change this board.

Before you start to change the board write down the voltage value you were using for your application.


Switch off the main switch of PowerCURE™


Wait 5 minutes, before you remove the cover. Capacitors with high voltage inside!


Remove the processor board carefully by hand. Do not use any tools for that.


Install the new processor board.


Be careful and make sure that you mount the new processor board correctly and that pins match the socket!! Watch from the side.


When you first start up, use a low voltage of approx. 80 V.
We hope the upgrade work was successful. Thank for your support!

Please check on the white transformer all connections.


Switch OFF the main supply first!


Nuts must be firmly tightened, but do not overtight! Bolts must well fixed in the casting compound.


A loose connection creates an overheating and destroys the transformer and cables!

All Can Man content is now also available on the Soudronic Group website.
Where do you want to continue your journey?
All Can Man content is now also available on the Soudronic Group website.
Where do you want to continue your journey?