Troubleshooting; Error Codes - Tekno Point ATHENA R32 A-0732 Installationsanleitungen

11. Troubleshooting

11.1 Error codes

Key
Alarm
(seen on screen)
Error Description
Communication failure
F0 between PCB
and driver board
Communication failure
F1 between
controller and PCB
Abnormal start of compres-
sor
F2
(Open-phase, phase stag-
ger)
F3
Out of step of compressor
F4
IPM module failure
F6
Outdoor DC fan failure
Inlet water temp sensor
E0
failure
E1
Outlet temp sensor failure
After throttling temp sensor
E2
failure
Air suction temp sensor
E3
failure
Outdoor coil temp sensor
E4
failure
Outdoor environment temp
sensor
E5
failure
E6
Exhaust temp sensor failure See above.
EVI return circuit air return
E7 temp
sensor failure
102
Protection
(seen on screen)
1. The signal line between PCB and driver board is open circuit, short
circuit or wrong line sequence. Repair or replace the signal line.
2. The PCB is damaged. Replace it.
3. The drive board is damaged. Replace it.
1. The signal line between controller and PCB is open circuit, short
circuit or wrong line sequence. Repair or replace the signal line.
2. There is interference source near the unit. Remove the interference
source or change the installation location of the unit.
3. The controller is damaged. Replace it.
4. The PCB is damaged. Replace it.
1. Phase stagger of the compressor leads, two phases of them are
exchanged.
2. Open-phase of the compressor leads. Reconnect them.
3. The drive board is damaged. Replace it.
1. Poor connection of compressor leads. Reconnect them.
2. The drive board is damaged. Replace it.
The drive board is damaged. Replace it.
1. The outdoor DC fan is damaged. Replace it.
2. The drive board is damaged. Replace it.
1. The sensor isn't connected well. Reconnect it.
2. The sensor is damaged. Replace it.
3. The PCB is damaged. Replace it.
See above.
See above.
See above.
See above.
See above.
See above.
Protection 2
(not seen on screen)
Remark