Daikin 2MKS40DVMB User Manual

Troubleshooting SiBE12-519
134 Service Diagnosis
4. Troubleshooting
4.1 Error Codes and Description

: Displayed only when system-down occurs.
Code Indication Description
Reference
Page
System
00
Normal —
U0
Insufficient gas 165
U2
Over-voltage detection 167
U4
Outdoor unit PCB abnormality or signal transmission circuit abnormality 169
UA
Unspecified voltage (between indoor and outdoor units) 168
UH
Anti-icing function in other rooms 168
Indoor
Unit
A1
Indoor unit PCB abnormality 135
A5
Freeze-up protection control or high pressure control 136
A6
Fan motor or related
abnormality
AC motor (Wall : 20~35 C series, Duct, Floor / Ceiling) 138
DC motor (Wall : 20~35 D series) 139
C4
Heat exchanger temperature thermistor abnormality 141
C9
Room temperature thermistor abnormality 141
Outdoor
Unit
A5
Freeze-up protection control 142
E5
OL activation (compressor overload) 144
E6
Compressor lock 145
E7
DC fan lock 146
E8
Input over current detection 147
EA
Four way valve abnormality 149
F3
Discharge pipe temperature control 151
F6
High pressure control in cooling 152
H6
Position sensor abnormality 154
H8
CT or related abnormality 155
H9
Outdoor air thermistor or related abnormality 157
J3
Discharge pipe temperature thermistor or related abnormality 157
J6
Heat exchanger temperature thermistor or related abnormality 157
J8
Liquid pipe temperature thermistor or related abnormality 157
J9
Gas pipe temperature thermistor or related abnormality 157
L3
Electrical box temperature rise 159
L4
Radiation fin temperature rise 161
L5
Output over current detection 163
P4
Radiation fin thermistor or related abnormality 157

Daikin 2MKS40DVMB Specifications

General

Brand	Daikin
Model	2MKS40DVMB
Category	Air Conditioner
Language	English