Carrier C708 - Models C708;C709;C716;C717

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Models C708/C709/C716/C717
Troubleshooting
PROBLEM CAUSE REMEDY
23. Unit changes modes or shuts
itself off.
a. Faulty connections of membrane
switch.
a. Replace faulty components.
24. Unit enters a heat treatment cycle
at “odd times”.
a. Faulty interface board. a. Replace interface board.
25. “Product Door Off” message is
displayed.
a. The door is off or is loose. a. Install the door and tighten the
hand screws.
b. Door switch is faulty. b. Replace the switch.
c. The door switch is not properly
installed.
c. Make sure the door switch is fully
inserted.
d. The 24V relay is faulty. d. Replace the relay.
e. The agitator motor is faulty. e. Replace the motor.
f. There is low voltage from the 24V
transformer.
f. Check the power supply
connections, shorts, replace
transformer.