Tectro TAW 200 Manuel D'utilisation Et D'installation page 53

If the malfunction is not caused by one of the above causes, stop the
heat pump immediately. Disconnect the power and contact a local
dealer.
I
MALFUNCTIONING OF THE UNIT AND ERROR CODES
Malfunctioning of the unit and error codes
When an error occurs or the protection mode is set automatically, the circuit board and the wired controller
will both display the error message.
Protection/ Error
LED indicator
Malfunction code
Standby Dark
Normal
Bright
running
PP1
Lower tank
☆●
water temp.
(1flash 1 dark)
sensor failure
PP2
Upper tank
☆☆●
water temp. (2 flashes 1
sensor failure dark)
PP3
Evaporator
☆☆☆●
coil temp. (3 flashes 1
sensor failure dark)
Return air PP4
☆☆☆☆●
temp sensor (4 flashes 1
failure dark)
PP5
Ambient
☆☆☆☆☆●
temp. sensor (5 flashes 1
failure dark)
EE1
High
☆☆☆☆☆☆
pressure
●
protection (6 flashes 1
(HP Switch) dark)
Possible reasons
1) The sensor open
circuit 1) Check the sensor connection
2) The sensor short 2) Replace the sensor
circuit
1) The sensor open
circuit 1) Check the sensor connection
2) The sensor short 2) Replace the sensor
circuit
1) The sensor open
circuit 1) Check the sensor connection
2) The sensor short 2) Replace the sensor
circuit
1) The sensor open circuit
1) Check the sensor connection
2) The sensor short
2) Replace the sensor
circuit
1) The sensor open
circuit 1) Check the sensor connection
2) The sensor short 2) Replace the sensor
circuit
1) Too high air inlet temp 1) Check if the air inlet temp is
2) Less water in the tank over the working limited
3) The electronic 2) Check if the tank is full of
expansion valve assembly water. If not, charge water
blocked 3) Replace the electronic
4) Too much refrigerant expansion valve assembly
5) The switch damaged 4) Discharge some refrigerant
6) The uncompressed gas 5) Replace a new switch
is in refrigerant system 6) Discharge and then recharge
the refrigerant
Corrective actions
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