Pioneer WD Series, Руководство по обслуживанию

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6
Display on outdoor power source board: The indicator alerts the fault in a cycle as such that it is
bright for 0.5 seconds, dark for 0.5 seconds, blinks “n” times and then dark for 3 seconds.
Blink
times(n)
Fault Message
Blink
times(n)
Fault Message
1 IPM protection 18
Short-circuit / open-circuit fault of
intake temperature sensor
2 Overvoltage / undervoltage 19 Outdoor EEPROM fault
3 Overcurrent 20 Outdoor fan motor protection
4 Exhaust overtemperature protection 21 Indoor fan motor protection
5
Outdoor coil overtemperature
protection
6 Drive fault and protection (V1 ， VP1) 23 System in shortage of Freon
7
Communication fault with indoor
unit
24 Model configuration wrong
8
Compressor overheat fault
(compressor top switch)
25 Indoor sensor fault
9
Short-circuit / open-circuit fault of
outdoor temperature sensor
26 Indoor coil sensor fault
10
Short circuit / open-circuit fault of
outdoor heat exchanger temperature
sensor
27 Indoor EEPROM fault
11
Short-circuit / open-circuit fault of
exhaust temperature sensor
28 Indoor fan motor fault
12 Voltage sensor fault 30 drive fault
（
V4
、
VP2
）
13 Current sensor fault 31
Outdoor environmental
overtemperature /
undertemperature protection
14 IPM fault 32 Indoor coil deforst prevention
15
communication fault between power
source board and intelligent power
module
33 Indoor coil overheating protection
16
No feedback from DC fan
motor(outdoor unit)
17 Defrost state