Poollux Inverter Style Benutzer- Und Wartungshandbuch Seite 28

Four-way valve reversal
failure
EEPROM data read
malfunction
The inter-chip
communication failure
on the main control
board
Remarks:
1. In heating mode, if the water out temperature is higher than the set temperature over 7℃, LED controller
displays EE04 for water over-heating protection.
2. In cooling mode, if the water out temperature is lower than the set temperature over 7℃, LED controller displays
PP11 for water over-cooling protection.
T
water out
（℃）
T +7℃
SET Temp.
T +5℃
SET Temp.
T
water out
（℃）
T -5℃
SET Temp.
T -7℃
SET Temp.
1. Four-way valve reversal failure
EE26 2. Lack of refrigerant (no detect when TH2
or TH1 malfunction)
1. Wrong EEPROM data in the program or
EE27 failed input of EEPROM data
2. Main board failure
EE28 Main board failure
Compressor Stop and EE04 displays
Frequency Decrease
Normal Operation
EE04 Water Overheating Protection
Normal Operation
Frequency Decrease
Compressor Stop and PP11 displays
PP11 Water Overcooling Protection
护
1. Switch to Cooling mode to check the
4-way valve if it has been reversed
correctly
2. Change a new 4-way valve
3. Fill with gas
1. Re-enter correct EEPROM data
2. Change a new main board
1. Stop electricity supply and restart it
2. Change a new main board
25