Value Of Thermistor - Haier 2HUM18HC03/R2 Service Manual

light shoud be off for 5 seconds.
b) For the units' malfunctins Annex 1
If there's malfunction with the units, this will not affect the run of the complete appliance, but this
can be displayed by the malfunction light, the light flashing frequency is 0.5HZ, the number of
times is according to the malfunction table of the indoor units. When a round of flashing is
finished, the light shoud be off for 10 seconds. Then report according to the order : unit A unit B
unit C unit D, that is, if there's malfunction with several units, then just report the indoor unit
with the highest priority level. Among the unit malfunctions, the priority level of the
communication malfunction is the highest, for others, that appears first will have the priority.
Remarks: in 3 minutes when the compressor stops, the units' malfunctions are not displayed;
the complete appliance's malfunctions are prior to the units' malfunctions.
Annex 1 Malfunction codes of the whole unit
Remarks: under the mode of refrigeration, the malfunctions of each unit's thin pipe temperature
sensor are not reported, under the mode of heating, the malfunctions of each unit's thick pipe
temperature sensor are not reported.
F12 1
2
F1
F22 3
F3 4
F19 6
F4 8
F21 10
F6 12
F25 13
E7 15
F11 18
---- 19
E9 21
--- 24
--- 25
---- 36

5.3 Value of Thermistor

5.3.1 intdoor Unit
R25 =10K 3%
B25 /50 =3700K 3%
Temp.(( ))
-30
-29
-28
2HUM18HC03/R2(DB)-SM
Outdoor EEPROM error
The protection of IPM
Overcurrent protection of AC electricity for the outdoor model
Communication fault between the IPM and outdoor PCB
Power voltage is too high or low
Overheat protection for exhaust temperature
Frost-removing temperature sensor failure
Ambient temperature sensor failure
Exhaust temperature sensor failure
Communication fault between indoor and outdoor units
deviate from the normal for the compressor
Loop of the station detect error
High work-intense protection
Overcurrent of the compressor
Overcurrent protection for single-phase of the compressor
The socket protect
Room sensor and Pipe Sensor
Max.(K ) Normal(K )
165.2170 147.9497
155.5754 139.5600
146.5609 131.7022
Min.(K )
132.3678
125.0806
118.2434
28
Wiring diagrams
Tolerance( )
-1.94 1.75
-1.93 1.74
-1.91 1.73
Domestic air conditioner