Service Test Mode - Navigation; Service Test 001 - Power-Up Test Results - Fisher & Paykel RX256DT4X1 FP Service Manual

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• Entry to the service menu is confirmed by pressing the Refrigerator Temperature Up keypad
more.
• The display will read the first test.
• All control functions will be turned off (compressor, defrost, evaporator fan, and the damper will
remain in its current position).
The refrigerator is now in the Service Test mode and the diagnostic tests may be carried out.
The Service Test mode can be exited at any time by closing the refrigerator door(s).
8.1.4

Service Test Mode - Navigation

Within the Service Test mode the control keypads have alternate functions. The Freezer Temperature
Up/Down keypads
Temperature Up/Down keypads
8.1.4.1

Service Test 001 - Power-Up Test Results.

When selected, this test will display the result of the Power Up test. The Power Up test runs a
sequence of 11 tests. Test 001 will show the error code associated with the failed test.
• Error Code 0
• This code indicates no failure and a successful Power Up test.
• Error Code 1
• This error code indicates a failure of +12v power supply where voltage was higher than
expected.
defective. Replacing the main board would be the first step to troubleshoot this problem.
• Error Code 2
• This error code indicates a failure of +12v power supply where voltage was lower than
expected.
defective. Replacing the main board would be the first step to troubleshoot this problem.
• Error Code 3
• This error code indicates an open refrigerator thermistor. Service test 141 can be helpful to
determine the state of refrigerator thermistor (refer to Section 8.1.4.6 for troubleshooting).
This failure may be caused by a bad wiring harness or defective thermistor (refer to
thermistor chart in Section 8.1.13).
• Error Code 4
• This error code indicates a shorted refrigerator thermistor. Service test 141 can be helpful to
determine the state of refrigerator thermistor (refer to Section 8.1.4.6 for troubleshooting).
This failure may be caused by a bad wiring harness or defective thermistor (refer to
thermistor chart in Section 8.1.13).
• Error Code 5
• This error code indicates an open freezer thermistor. Service test 142 can be helpful to
determine the state of freezer thermistor (refer to Section 8.1.4.6 for troubleshooting). This
failure may be caused by a bad wiring harness or defective thermistor (refer to thermistor
chart in Section 8.1.13).
/ will move to the next or the previous service test. The Refrigerator
/
Most of the time, this error code indicates that the control's main board is
Most of the time, this error code indicates that the control's main board is
will be used to toggle test modes.
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once