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6-18 l Troubleshooting
Checking Heater Solid State Relays
1 Disconnect and lockout the main power supply.
2 Open the electrical enclosure.
3 Locate the process or regeneration contactors. Refer to the wiring diagrams
that came with your dryer.
4 Check continuity using an ohmmeter.
IMPORTANT: Always refer
to the wiring diagrams that
came with your dryer to
locate specific electrical
components. Illustrations in
the User Guide are intended
to be representative only.
Regeneration heater
solid state relays
If ohms equal zero or infinity,
replace the contactor.
Process heater
solid state relays
If ohms equal zero or infinity,
replace the contactor.