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Owner’s Handbook
The PCM (PROHEAT Control Module) has self diagnostics for reliable operation, safety and
protection of the PROHEAT. If a problem is detected it shuts the PROHEAT OFF and a diagnostic
code is displayed on the PCM Diagnostic Panel. The toggle switch or timer will flash a
corresponding number of times.
For more detailed troubleshooting information, refer to the Installation and Service manual 925860
at www.proheat.com
PROHEAT will attempt one (1) re-start after a Function or Component Diagnostic Code has been
indicated. The re-start will not occur during a Cool Down (Purge) cycle or if the coolant temperature
is above 150°F (65°C). ALWAYS let the PROHEAT attempt two (2) starts so that the PCM can point
you to the problem area.
1.
Switch the PROHEAT ON using the toggle switch or timer.
2.
Let the PROHEAT run or attempt two (2) starts.
3.
Count the number of flashes on the toggle switch or timer.
4.
Function Diagnostic codes 01 to 05 are usually caused by vehicle system interface problems.
5.
Components Diagnostic codes 13, 14, 19 and 21 to 29 indicate an electrical problem ONLY, with
PROHEAT components, wiring or the PCM. Refer to your Installation and Service manual 925860
for further information.
6.
For an up to date Installation and Service manual 925860 or a Distributor/Dealer near you, go to
www.proheat.com
Troubleshooting
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Summary of Contents for X45 plus
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