Service manual

SiBE12-816_D Code Indication on Remote Controller
Service Diagnosis 214
4.3 Outdoor Unit
★
: Displayed only when system-down occurs.
Error Codes Description
Reference
Page
System
00
Normal —
U0★
Refrigerant shortage 254
U2
Low-voltage detection or over-voltage detection 256
U4
Outdoor unit PCB abnormality or signal transmission error 257
UA
Unspecified voltage (between indoor unit and outdoor unit) 260
UH
Anti-icing control in other room 260
Outdoor
Unit
A5
Anti-icing control for indoor unit 235
E5★
OL activation (compressor overload) 237
E6★
Compressor lock 238
E7
DC fan lock 239
E8
Input overcurrent detection 240
F3
Discharge pipe temperature control 241
F6
High pressure control in cooling 242
H0
Compressor system sensor abnormality 243
H6
Position sensor abnormality 244
H8
DC voltage / current sensor abnormality 246
H9
Outdoor temperature thermistor or related abnormality 247
J3
Discharge pipe thermistor or related abnormality 247
J6
Outdoor heat exchanger thermistor or related abnormality 247
J8
Liquid pipe temperature thermistor or related abnormality 247
J9
Gas pipe temperature thermistor or related abnormality 247
L3
Electrical box temperature rise 249
L4
Radiation fin temperature rise 250
L5
Output overcurrent detection 252
P4
Radiation fin thermistor or related abnormality 247