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Check code
Outdoor 7-segment display
Sub-code
F12
–
01: Compressor 1
02: Compressor 2
F13
03: Compressor 3
F15
–
F16
–
F22
–
F23
–
F24
–
F31
–
01: Compressor 1
02: Compressor 2
H01
03: Compressor 3
01: Compressor 1
H02
02: Compressor 2
03: Compressor 3
01: Compressor 1
H03
02: Compressor 2
03: Compressor 3
H04
H05
–
H06
–
H07
–
01: TK1 sensor error
02: TK2 sensor error
H08
03: TK3 sensor error
04: TK4 sensor error
05: TK5 sensor error
H14
–
H15
–
01: TK1 oil circuit error
02: TK2 oil circuit error
H16
03: TK3 oil circuit error
04: TK4 oil circuit error
05: TK5 oil circuit error
H25
–
L04
–
Number of priority indoor units
L06
(check code L05 or L06 depending
on individual unit)
Display of receiving unit
TCC-LINK
Indicator light block
central control
or main remote
Operation Timer Ready
Flash
controller
display
F12
F13
F15
F16
F22
F23
F24
F31
H01
H02
H03
H05
H05
H06
H07
H08
H14
H15
H16
H25
L04
L05
L06
– 59 –
Typical fault site
Outdoor suction
Outdoor suction temperature sensor (TS1) has
ALT
temperature sensor (TS1)
been open / short-circuited.
error
Outdoor IGBT built-in
Open-circuit or short-circuit of the outdoor IGBT
temperature sensor (TH)
ALT
built-in temperature sensor (TH) was detected.
error
Outdoor temperature
Wiring error in outdoor temperature sensors (TE1,
ALT
sensor (TE1, TL) wiring
TL) has been detected.
error
Outdoor pressure sensor
Wiring error in outdoor pressure sensors (Pd, Ps)
ALT
(Pd, Ps) wiring error
has been detected.
Outdoor discharge
Outdoor discharge temperature sensor (TD3) has
ALT
temperature sensor (TD3)
been open / short-circuited.
error
Low pressure sensor (Ps)
ALT
Output voltage of low pressure sensor (Ps) is zero.
error
Output voltage of high pressure sensor (Pd) is zero
High pressure sensor (Pd)
ALT
or provides abnormal readings when compressors
error
have been turned off.
Outdoor EEPROM is faulty (alarm and shutdown
SIM Outdoor EEPROM error
for header unit and continued operation for follower
unit)
Compressor breakdown
Compressor error (Lock)
Current detection circuit
error
Compressor 1 case
thermo activation
Outdoor discharge
Wiring / installation error or detachment of outdoor
temperature sensor (TD1)
discharge temperature sensor (TD1) has been
wiring error
detected.
Activation of low-pressure
Low pressure (Ps) sensor detects abnormally low
protection
operating pressure.
Temperature sensor for oil level detection (TK1-5)
Activation of low-pressure
detects abnormally low oil level.
protection
Error in temperature
Temperature sensor for oil level detection (TK1-5)
sensor for oil level
has been open / short-circuited.
detection (TK1-5)
Compressor 2 case thermo was activated for
Compressor 2 case
protection.
thermo activation
Outdoor discharge
Wiring / installation error or detachment of outdoor
temperature sensor (TD2)
discharge temperature sensor (TD2) has been
wiring error
detected.
No temperature change is detected by
Oil level detection circuit
temperature sensor for oil level detection (TK1-5)
error
despite compressor having been started.
Outdoor discharge
Wiring / installation error or detachment of outdoor
temperature sensor (TD3)
discharge temperature sensor (TD3) has been
wiring error
detected.
Identical refrigerant line address has been
Duplicated outdoor
SIM
assigned to outdoor units belonging to different
refrigerant line address
refrigerant piping systems.
Duplicated priority indoor
More than one indoor unit has been set up as
SIM
unit (as displayed on
priority indoor unit.
priority indoor unit)
Duplicated priority indoor
More than one indoor unit has been set up as
unit (as displayed on
SIM
priority indoor unit.
indoor unit other than
priority indoor unit)
FILE NO. SVM-16042
Description of error
Overcurrent of the inverter current (Idc) detection
circuit was detected.
Compressor lock was detected.
Current error was detected while the compressor
was stopped.
Compressor 1 case thermo was activated for
protection.
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