Malfunction Table - Oasis C8b Installation Instructions Manual

5. MAINTENANCE AND INSPECTION

5.2 Malfunction table

You can refer to the malfunction table to find out the failure cause and solution.
malfunction display
Power on
Normal working
Inlet temp. Sensor failure
P01
Outlet temp. Sensor failure
P02
Recovery temp. Sensor failure P033
Ambient temp. Sensor failure
P04
Coil 1 temp. Sensor failure
P15
P25
Coil 2 temp. Sensor failure
Suction 1 temp. Sensor failure
P17
Suction 1 temp. Sensor failure
P27
Discharge 1 temp. Sensor failure P181
Discharge 2 temp. Sensor failure
P182
Antifreezing 1 temp.
P19
Sensor failure
Antifreezing 2 temp.
P29
Sensor failure
High pressure1 protection
E11
High pressure2 protection
E21
Low pressure1 protection
E12
Low pressure2 protection
E22
Heat source side water
E031
flow failure
The use side water
E032
flow failure
water flow over-low failure
E035
E04
Elctrical-heat over heat failure
Compressor 1 overload failure
E101
Compressor 2 overload failure
E201
Water-inlet and outlet
E06
temp. difference
The system 1use side
E171
antifreezing protection
The system 2 use side
E271
antifreezing protection
The system 1heat source
E172
side antifreezing protection
The system 2 heat source
E272
side antifreezing protection
The primary anti-freezing
E19
protection
The secondary anti-freezing
protection
E29
Discharge Temp. Of system 1
P182
is too high
Discharge Temp. Of system 2
P282
is too high
System protection E05
Defrosting
Communication failure
E08
Indicator
Reason
Off
On
1 On 1 off The temp. Sensor is broken or short circuit
2 on 1 off
The temp. Sensor is broken or short circuit
3 on 1 off
The temp. Sensor is broken or short circuit
4 on 1 off The temp. Sensor is broken or short circuit
5 on 1 off
The temp. Sensor is broken or short circuit
5 on 1 off
The temp. Sensor is broken or short circuit
7 on 1 off
The temp. Sensor is broken or short circuit
7 on 1 off
The temp. Sensor is broken or short circuit
8 on 1 off
The temp. Sensor is broken or short circuit
8 on 1 off
The temp. Sensor is broken or short circuit
9 on 1 off The temp. Sensor is broken or short circuit
9 on 1 off
The temp. Sensor is broken or short circuit
11 on 1 off
The high-preesure switch is broken
11 on 1 off
The high-preesure switch is broken
12 on 1 of f
The low-preesure switch is broken
12 on 1 of f The low-preesure switch is broken
No water/little water in water
13 on 1 of f
system
No water/little water in water
13 on 1 of f
system
No water/little water in water
13 on 1 of f
system
14 on 1 of f
Electrical-heat is over heat
Compressor is overload
21 on 1 of f
21 on 1 of f
Compressor is overload
Water flow is not enough
16 on 1 of f
and low differential pressure
17 on 1 of f
Water flow is not enough
17 on 1 of f
Water flow is not enough
Water flow is not enough
17 on 1 of f
17 on 1 of f
Water flow is not enough
19 on 1 of f
The ambient temp. Is low
19 on 1 of f
The ambient temp. Is low
8 on 1 off
The compressor is overload
8 on 1 off The compressor is overload
8 on 1 off
The protection system is failure
/
/ Flashing
Communication failure between
/
wire controller and main board
21
resolution
Check or change the temp. Sensor
Check or change the temp. Sensor
Check or change the temp. Sensor
Check or change the temp. Sensor
Check or change the temp. Sensor
Check or change the temp. Sensor
Check or change the temp. Sensor
Check or change the temp. Sensor
Check or change the temp. Sensor
Check or change the temp. Sensor
Check or change the temp. Sensor
Check or change the temp. Sensor
Check the pressure switch and cold circuit
Check the pressure switch and cold circuit
Check the pressure switch and cold circuit
Check the pressure switch and cold circuit
Check the pipe water flow and water pump
Check the pipe water flow and water pump
Check the pipe water flow and water pump
Check or change electrical-heat
Check the compressor functionality
Check the compressor functionality
Check the pipe water flow and whether water
system is jammed or not
Check the pipe water flow and whether water
system is jammed or not
Check the pipe water flow and whether water
system is jammed or not
Check the pipe water flow and whether water
system is jammed or not
Check the pipe water flow and whether water
system is jammed or not
/
/
Check the compressor functionality
Check the compressor functionality
Check each protection point of the system
/
Check the wire connection between
remote wire controller and main board