PH-20/PHX-20 Manual
40
TROUBLESHOOTING
Hose Heating (cont’d)
PROBLEM
Hose does not heat and the display on the controller shows an error message.
SOLUTIONS
1. Check position 9 and 10 on the heater controller for loose wires.
If the wires are tight move to the next step.
2. Remove the transformer cover and check that the thermocouple wires are secure to
the harness going up to the controller. If there are no loose connections disconnect
the wire from the TSU and connect it directly to the thermocouple harness coming
out of the hose transformer.
If the controller still shows the error code replace the hose thermocouple.
If the error code goes away and temperature is now shown on the display of
the controller then all the TSU harnesses from the TSU to the transformer
need to be checked for loose connectors or one or more of the harnesses are
defective.
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