Mitsubishi Electric klima error codes
Codes
- UFError codeCompressor overcurrent interruption (When compressor locked) Abnormal if overcurrent of DC bus or compressor is detected within 30 seconds after compressor starts operating.
- UHError codeCurrent sensor error or input current error • Abnormal if current sensor detects –1.0A to 1.0A during compressor operation. (This error is ignored in the case of test run mode.) • Abnormal if the detected input current or the detected continuous current for 10 second is more than the limit value.
- ULError codeLow pressure Abnormal if the following conditions are detected for continuously 3 minutes after compressor starts heating operating for 10 minutes. Heating mode (1) Detection mode 1 TH7−TH3 [ 4°C and TH5−Indoor room temperature 2°C [ Detection mode 2 TH7−TH3 [ 2°C and TH5−Indoor room temperature 4°C and [ TH2−Indoor room temperature [ 4°C Detection mode 3 TH7−TH3 4°C and [ TH5−Indoor room temperature [ 2°C and TH4−TH5 20°C ] Cooling mode (2) TH6−TH7 2°C and [ TH3−TH7 2°C and [ Indoor room temper
- UPError codeNote that it applies when the compressor accumulated operating time is under 30 minutes, and 7 minutes has passed after the compressor operation. TH32 - TH4 20°C and TH32 > 80°C ] Thermistors: TH3: Liquid pipe temperature TH33: Comp. Surface temperature TH4: Discharge temperature TH5: Indoor 2-phase pipe temperature TH7: Ambient temperature Thermistor TH3: Outdoor liquid pipe temperature TH4: Discharge temperature TH5: Indoor cond./eva. temperature TH6: Outdoor 2-phase pipe temperature TH7: Outd