Troubleshooting; The Common Problem Judgement Method - Hisense RD-31WC4S series Service Manual

Troubleshooting

◆The common problem judgement method

Problem
Refrigerator can't start
Weak cooling effects
The unit can not stop
running
Ice up in the freezing
chamber
Abnormal noise
1.1 Is the power cord connecting well？
1.2 Is the power voltage too low？
1.3 Is the sensor irrational setting?
1.4 Is the ambient temperature too low?
1.5 Is the circuit on power?
1.6 Is there some default in compressor
1.7 Is the refrigeration system blocked by ice or dirty, please stop the unit and restart
after 10 minutes to see if the compressor can start.
2.1 Is there any heat source around the refrigerator?
2.2 Is there enough space around the refrigerator for rejection of heat?
2.3 Is the setting of the temperature appropriate?
2.4 Is there too much food or overheating food in it?
2.5 Does there open the door frequently?
2.6 Is the door completely closed?
2.7 Does the gasket destroyed or distort?
2.8 Does the gas leak?
3.1 Is there any heat source around the refrigerator?
3.2 Is there enough space around the refrigerator for rejection of heat?
3.3 Is the setting of the temperature appropriate?
3.4 Is there too much food or overheating food in it?
3.5 Does there open the door frequently?
3.6 Is the door completely closed?
3.7 Does the gasket destroyed or distort?
3.8 Is the thermostat good operation?
3.9 Does the gas leak?
4.1 Is the setting of the temperature appropriate?
4.2 Is there multi-moisture food and too close to the back wall of the refrigerator?
4.3 Is the ambient temperature too low?
4.4 Is the electric parts on good condition, specially the thermostat which will cause the
unit non-stopping .
5.1 Is the refrigerator stably placed?
5.2 Does the refrigerator bump other objects?
5.3 Whether the internal accessory of the refrigerator is in the right place.
5.4 Whether the water plate of compressor is fall from the unit.
5.5 Does the tube of the refrigeration system bump each other?
5.6 The noise sound likes Water flow inside the refrigerator ,in fact ,it is normal, which is
caused both when refrigerator start and shut-down; in addition, frost-dissolving
causes this sound, too, which is a normal phenomenon.
5.7 There will be a cracking sound in the cabinet ,when the cabinet or cabinet accessory
Cause