Toshiba A03-009, Service Manual

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