Service Guide

31
13. Failure code
Failure code
at wired
controller
PCB LED5(Indoor
Units)/ Receiver Timer
Lamp(Remote Controller)
Fault Descriptions
01 1 Fault of indoor unit ambient temp. transducer TA
02 2 Fault of indoor unit pipe temp. transducer TC1
03 3 Fault of indoor unit pipe temp. transducer TC2
04 4 Fault of indoor unit dual heat source temp. transducer
05 5 Fault of indoor unit EEPROM
06 6
Fault of communication between indoor & outdoor
units
07 7
Fault of communication between indoor unit and
wired control
08 8 Fault of indoor unit water drainage
09 9 Fault of duplicate indoor unit address
0A 10 Reserve
0C 12 Fault of zero cross sing
0E 14 Fault of DC fan
Outdoor Unit
Code
20 Corresponding faults of outdoor units