Error Code 4106 - Mitsubishi Electric PURY-RP200 Service Handbook

[ IX Troubleshooting ]
1. Error Code
4106
<Transmission power supply fault Error detail code FF (Outdoor unit)>
2. Error definition and error detection method
Transmission power output failure
3. Cause
1) Wiring failure
2) Transmission power supply cannot output voltage because overcurrent was detected.
3) Voltage cannot be output due to transmission power supply problem.
4) Transmission voltage detection circuit failure
4. Check method and remedy
Check the items in IX [4] -8- (2) Troubleshooting transmission power circuit of outdoor unit on all outdoor units in the same
refrigerant circuit.(page 259)
<Transmission power supply fault other than error detail code FF (Outdoor unit)>
2. Error definition and error detection method
Transmission power reception failure
3. Cause
One of the outdoor units stopped supplying power, but no other outdoor units start supplying power.
4. Check method and remedy
Check the items in IX [4] -8- (2) Troubleshooting transmission power circuit of outdoor unit on all outdoor units in the same
refrigerant circuit.(page 259)
<Transmission power supply fault Indoor unit/BC controller>
2. Error definition and error detection method
When an (instantaneous) power failure on the indoor units or BC controllers is detected during oil recovery test run.
3. Cause
1) Indoor units or BC controllers have an (instantaneous) power failure during oil recovery test run.
2) Faulty or disconnected transmission cable to the indoor units or BC controllers
3) Blown fuse on the indoor units or BC controllers
4) Damage to the control box, transformer, or M-NET board on the indoor units or BC controllers
4. Check method and remedy
Check that the interphase power supply voltage is 180 V or above.
Check the items 2. through 4. above.
Then, turn the power to the outdoor unit back on.
HWE10140
- 167 -
GB