Tekno Point ATHENA R32 A-0732 Installationsanleitungen Seite 104

AC current protection
P1
of outdoor unit
Current protection
P2
of compressor
AC voltage too high / too
P3
low protection of outdoor
unit
DC bus voltage too high /
P4
too low protection
P5
IPM overheat protection
Overheat protection of
P6
exhaust temp
Overheat protection of
P9
outer coil in cooling
Environment temp is too
PH
high in heating
Environment temp is too
PL
low in cooling
Protection against
PB
overheating of the internal
coil during heating
104
1. The fan is damaged. Replace it.
2. The drive board is damaged. Replace it.
1. Open-phase of the compressor leads. Reconnect them.
2. The drive board is damaged. Replace it.
1. Check the power supply.
2. The drive board is damaged. Replace it.
1. Check the power supply.
2. The drive board is damaged. Replace it.
1. Poor ventilation of the heatsink of drive board.
2. The drive board is damaged. Replace it.
1. Compressor overheat protection. Check if the refrigerant is sufficient.
Check for leakage, and replenish refrigerant.
2. The exhaust temperature sensor is damaged. Replace it.
3. The PCB is damaged. Replace it.
1. The air intake of the evaporator is blocked.
2. The fan doesn't work or the speed is slow, check the fan motor or
driver board.
3. The coil temperature sensor is damaged. Replace it.
4. The PCB is damaged. Replace it.
1. The ambient temperature is higher than the protection setting value.
2. The ambient temperature sensor is damaged. Replace it.
3. The PCB is damaged. Replace it.
1. The ambient temperature is below 0°C during cooling.
2. The room temperature sensor is damaged. Replace it.
3. The PCB is damaged. Replace it.
Not used.