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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/
Malfunction
Error
code
LED
indicator
Possible reasons
Corrective actions
Standby
Dark
Normal
running
Bright
Lower tank
water temp.
sensor failure
P1
☆
●
(1flash
1
dark)
1) The sensor open
circuit
2) The sensor short
circuit
3)PCB board failure
1) Check the sensor
connection
2) Replace the sensor
3)change the PCB board
Upper tank
water temp.
sensor failure
P2
☆☆
●
(2 flashes 1
dark)
1) The sensor open
circuit
2) The sensor short
circuit
3) PCB board failure
1) Check the sensor
connection
2) Replace the sensor
3) change the PCB board
Evaporator
coil
temp.
sensor failure
P3
☆☆☆
●
(3 flashes 1
dark)
1) The sensor open
circuit
2) The sensor short
circuit
3) PCB board failure
1) Check the sensor
connection
2) Replace the sensor
3) change the PCB board
Return
air
temp sensor
failure
P4
☆☆☆☆
●
(4 flashes 1
dark)
1) The sensor open
circuit
2) The sensor short
circuit
3) PCB board failure
1) Check the sensor
connection
2) Replace the sensor
3) change the PCB board
Ambient
temp. sensor
failure
P5
☆☆☆☆☆
●
(5 flashes 1
dark)
1) The sensor open
circuit
2) The sensor short
circuit
3) PCB board failure
1) Check the sensor
connection
2) Replace the sensor
3) change the PCB board
Summary of Contents for BATHERM A Series
Page 30: ...29 www detandt com SCHEMA DE CABLAGE V rifier le sch ma de c blage sur la bo te lectrique...
Page 61: ...28 www detandt com BEDRADINGSSCHEMA Controleer de bedradingschema op het elektriciteitskast...
Page 71: ...7 www detandt com OVERVIEW OF THE UNIT Parts and descriptions...
Page 91: ...27 www detandt com WIRING DIAGRAM Please refer to the wiring diagram on the electric box...