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Daikin VRV III-S RXYMQ36 48PVJU Service Manual Page 113

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Troubleshooting by Remote Controller
Malfunction
code
System
U0
U1
U2
U3
U4
U5
U5
U7
U8
U9
UA
UC
UE
UF
UH
Centralized
UE
Remote
M1
Controller
and
M8
Schedule
Timer
MA
MC
Heat
64
Reclaim
65
Ventilation
68
6A
6A
6F
94
The system operates for malfunction codes indicated in black squares, however, be sure to check and repair.
104
Operation
lamp
k
Low Pressure Drop Due to Refrigerant Shortage or Electronic Expansion
Valve Failure
l
Reverse Phase, Open Phase
l
Power Supply Insufficient or Instantaneous Failure
l
Check Operation not Executed
l
Malfunction of Transmission between Indoor Units
l
Malfunction of Transmission between Remote Controller and Indoor Unit
h
Failure of Remote Controller PCB or Setting during Control by Remote
Controller
l
Malfunction of Transmission between Outdoor Units
l
Malfunction of Transmission between Main and Sub Remote Controllers
l
Malfunction of Transmission between Indoor and Outdoor Units in the Same
System
l
Improper Combination of Indoor and Outdoor Units, Indoor Units and Remote
Controller
k
Address Duplication of Centralized Controller
l
Malfunction of Transmission between Centralized Controller and Indoor Unit
l
System is not Set yet
l
Malfunction of System, Refrigerant System Address Undefined
l
Malfunction of Transmission between Centralized Controller and Indoor Unit
k or h
PCB Defect
k or h
Malfunction of Transmission between Optional Controllers for Centralized
Control
k or h
Improper Combination of Optional Controllers for Centralized Control
k or h
Address Duplication, Improper Setting
k
Indoor Unit's Air Thermistor Error
k
Outside Air Thermistor Error
k
Malfunction of HVU
k
Damper System Alarm
l
Damper System + Thermistor Error
k
Malfunction of Simplified Remote Controller
l
Internal Transmission Error
Malfunction contents
SiUS34-907
k : ON
h : OFF
l : Blink
Page
Referred
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186
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190
191
194
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191
197
198
200
202
Troubleshooting

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  • cp shukla Feb 16, 2016 06:50:
    RXYQ18PAY6 service manual & vrv Fulform