Cooling Performance Symptoms - Dometic DMH1072 Operating Instructions Manual

Hybrid refrigerator absorption cooling system upper food storage compartment, compressor cooling system lower food storage compartment (lower drawer)
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APPENDIX A: TROUBLESHOOTING
B.

Cooling Performance Symptoms

These symptoms apply to cooling performance of food storage compartments. See (Table 8).
Symptom
Cooling performance is-
sues common to BOTH
lower and upper food com-
partments.
(Too cold, or not cold
enough.)
Cooling performance is-
sues for upper food com-
partment.
(Too cold, or not cold
enough.)
Upper food compartment
stops cooling.
(Electric and gas modes.)
Lower food compartment
stops cooling.
Possible Cause
Improper use or settings.
Standby mode:
Compartment temperature
sensing error.
Refrigerator is out of level. ● See "E. Keep Refrigerator Level" on page (6).
Over-packed food storage. ● Arrange food to allow free air circulation.
Extremely cold (subzero)
weather conditions.
Absorption system is not
functioning.
Control module is not op-
erating.
Compressor issue.
Table 8
● Make sure temperature (cooling level) setting is correct.
● Make sure drawer / door is closed and sealing properly.
 R efrigerator requires time to cool down when power has
been off for a long while.
● See "1. Standby Mode" on page (9) for more information.
● Contact a Dometic dealer or Service Center for repair.
● Turn upper food compartment OFF.
 W hen ambient temperature rises, please restart upper food
compartment before requesting service
● Immediately turn refrigerator OFF.
● Contact a Dometic dealer or Service Center for repair.
 D o NOT use refrigerator until it has been repaired. Do
NOT attempt to solve problem by repeatedly restarting
refrigerator.
● Make sure power is turned ON at control panel.
● Make sure 12 Vdc power is available and connected.
● If LED error code is flashing, see "D. Compressor System
Error Codes" on page (20).
● If no LED error code is flashing:
● Make sure power is turned ON at control panel.
● Make sure 120 Vac or 12 Vdc power is available and
connected.
19
Action

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