To erase the fault code history.
1)
Press the “ [F2]” button whilst
the list of alarm codes is displayed.
2)
When the display has changed press
the “ [F1]” button.
Code
Description
E01
No communication between remote controller and indoor unit. (Master indoor unit maybe switched off)
E02
Local controller failure – unable to transmit
E03
Master indoor unit receives no data to A-B (Could also show as E01 fault)
E04
Indoor unit (except twin slave) receives no communications from outdoor unit; can also include klixon on discharge pipe of outdoor unit
E08
Duplicated indoor unit address
E09
2 local controllers connected on a group – both configured as masters
E10
Indoor unit PCB failure
E18
Communications failure between master indoor unit and slave indoor unit or units
F01
Indoor unit TCJ (Liquid) sensor error (Open or Closed circuit – resistance is measured in kΩ
F02
Indoor unit TC2 (Vapour) sensor error (Open or Closed circuit – resistance is measured in kΩ
F04
Outdoor unit TD (Discharge) sensor error (Open or Closed circuit – resistance is measured in kΩ
F06
Outdoor unit TE (Coil) sensor error (Open or Closed circuit – resistance is measured in kΩ
F08
Outdoor unit TO (Ambient) sensor error (Open or Closed circuit – resistance is measured in kΩ
F10
Indoor unit TA (Return Air) sensor error (Open or Closed circuit – resistance is measured in kΩ
F29
Indoor unit PCB failure
H01
Outdoor unit Inverter compressor over current detected
H02
Master outdoor unit over current detected shortly after start up
H03
Current detected on Master outdoor unit whilst idle
H06
Outdoor unit Low pressure detected by Ps sensor (0.2 bar – 2.9 psig)
L03
Indoor unit Duplicated master indoor units in a group
L07
Indoor unit in a group of units previously addressed as a single unit – check addressing
L08
Indoor units addresses not set – check addressing
L09
Indoor units capacity not set (check DN Code 11)
L29
Outdoor unit IPDU error (Number of detected IPDU units is reduced)
L30
Input on indoor PCB CN80 circuit for 1 minute
L31
Outdoor unit PCB error
P01
Indoor unit fan motor error
P03
Outdoor unit High discharge temperature (TD1 exceeded 115
o
C)
P04
Outdoor unit High pressure switch activated (Detected by high temperature on TE sensor on digital/super digital inverter units)
P07
Outdoor unit PCB heat sink overheated (Temperature over 90
o
C recorded)
P10
Indoor unit Float switch activated
P12
Indoor unit fan motor error – detected by feedback circuit
P19
Wrong change in temperature recorded (4 way valve error)
P22
Outdoor unit fan motor IPDU error
P26
Outdoor unit Giant transistor short circuit
P29
Outdoor unit Compressor error detected by feedback circuit
P30
Indoor unit Group control follower unit error / duplicated central control addresses
P31
Indoor unit PCB error
C05
Central control Sending error in TCC-Link central control device
C06
Central control Receive error in TCC-Link central control device
C12
Batch alarm for general purpose equipment interface
More detailed listings are available in the technical handbook or relevant service literature