Service Test 121 - Damper Operation; Service Test 141 - Refrigerator Thermistor (See Thermistor Chart In Section 8.1.13) - Fisher & Paykel RX256DT4X1 FP Service Manual

8.1.4.5

Service Test 121 - Damper Operation.

When selected, the refrigerator display will show the status of the refrigerator damper. The Refrigerator
Temperature Up / Down keypads
The technician must allow 1 minute for each attempt to change the damper position. If the technician tries
to change the state of the damper during this 1 minute wait time, the system will give a short beep and the
damper state will not change. During the 1 minute delay, the refrigerator display will show will show a "-"
symbol before the position state to indicate that the damper has not reached that state yet.
8.1.4.6

Service Test 141 - Refrigerator Thermistor (See Thermistor Chart in Section 8.1.13).

When selected and activated the refrigerator display will show the temperature reading in the
refrigerator compartment. This test will also indicate any failure in the refrigerator thermistor.
PASS RESULT – Displaying the Temperature inside Refrigerator
/ will toggle the damper to open and close position.
DAMPER IS IN THE OPEN POSITION
DAMPER IS IN THE CLOSED POSITION
DAMPER IS IN THE PROCESS OF OPENING
DAMPER IS IN THE PROCESS OF CLOSING
FAIL RESULT - Thermistor is Open
FAIL RESULT - Thermistor is shorted
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