00229
00229 - Refrigerant pressure: 001 upper limit exceeded
Possible Causes
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Refrigerant system overcharged
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Cooling fan(s) are not functioning correctly
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Condenser is dirty or airflow is restricted or blocked
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Refrigerant system blockage, stuck expansion valve etc
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Refrigerant pressure sensor
Possible Solutions
-
Use a gauge set to check low and high pressures
-
Recover and recharge refrigerant to proper charge level (refer to vehicle label)
-
Check cooling fans
-
Check expansion valve
-
Refrigerant pressure sensor:
-
Check measuring value blocks
-
Check wiring / connections
-
Check for leak(s) at sensor connector
00229 - Refrigerant pressure: 002 lower limit exceeded
Possible Causes
-
Refrigerant system undercharged
-
Weak compressor / clutch
-
Stuck open expansion valve
-
Refrigerant pressure sensor
Possible Solutions
-
Use a gauge set to check low and high pressures
-
Recover and recharge refrigerant to proper charge level (refer to vehicle label)
-
Check compressor / clutch
-
Check expansion valve
-
Refrigerant pressure sensor:
-
Check measuring value blocks
-
Check wiring / connections
-
Check for leak(s) at sensor connector
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