Diagnostic Mode - Fisher & Paykel RB90S64MKIW Service Manual

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Display Code: 15
Reason:
Action:
Display Code: 16
Reason:
Action:
Display Code: 17
Reason:
Action:
Display Code: 18
Reason:
Action:
Display Code: 105
Reason:
Action:
3. Replace the cabinet module. Wait 30 seconds after re-applying power, then retest.
4. Refit original cabinet module. Replace the power/control module.
10.1.3

Diagnostic Mode

The CoolDrawer is fitted with a diagnostic system to help the service technician in testing the drawer and
obtaining information that will assist in locating the fault.
1
To Enter Diagnostic Mode:
• Open the drawer.
• Press the LOCK button for 3 seconds to unlock the control panel.
• Within 15 seconds, press and hold the LOCK button, then within 1 second press the FUNCTION
SELECT button. Hold for 3 seconds. This shows the compartment temperature.
The WARMER or COLDER button can now be used to scroll through the diagnostic menu.
Having entered diagnostic mode, the compartment temperature is displayed.
• Press the COLDER button once. The data download mode is entered.
Condenser Fan Not Off.
Condenser fan fault.
power/control module is faulty.
Check the condenser fan wiring, connections and fan function. If OK, replace the
power/control module. If still faulty, replace the display module.
Condenser Fan Not On.
Condenser fan fault. The condenser fan is rotating less than expected. Either the
wiring is open circuit or the fan is faulty.
Check the condenser fan wiring, connections and fan function. If OK, replace the
power/control module. If still faulty, replace the display module.
Evaporator Fan Not Off.
Evaporator fan fault. The evaporator fan is still rotating. Either the fan is faulty or the
power/control module is faulty.
Check the evaporator fan wiring, connections and fan function. If OK, replace the
power/control module. If still faulty, replace the display module.
Evaporator Fan Not On.
Evaporator fan is fault. The evaporator fan is rotating less than expected. Either the
wiring is open circuit or the fan is faulty.
Check the evaporator fan wiring, connections and fan function. If OK, replace the
power/control module. If still faulty, replace the display module.
Communications Fault.
There is a communications fault between the cabinet module, the display module/user
interface and the power/control module. It could be in any of the modules or in the
wiring harness.
1. Replace the display module/user interface. Wait 30 seconds after re-applying
power, then retest. If fault still exists:
2. Refit original display module/user interface. Check continuity of harness between
the display module/user interface and the cabinet module. If faulty, replace. If fault
still exists:
If fault still exists:
The condenser fan is still rotating. Either the fan or the
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