Toshiba MiNi-SMMS MCY-MAP0501HT Service Manual page 119

Check code
Outdoor 7-segment display
Wired
remote
controller Check code
Auxiliary code
F23 F23 —
F24 F24 —
F29 — —
F31 F31 —
H01 H01 01: Compressor 1
H02 H02 01: Compressor 1
H03 H03 01: Compressor 1
H04 H04 —
(*1) All stop only in case of the header unit
Detected Check code
AI-NET
position name
central control
remote controller
43 I/F Ps sensor error
43 I/F Pd sensor error
12 Indoor Indoor other
error
1C I/F Outdoor
EEPROM error
1F IPDU Compressor
breakdown
1d IPDU Compressor
error (lock)
17 IPDU Current
detection circuit
system error
44 I/F Compressor 1
case thermo
operation
The follower unit continues operation.
Status Error detection condition
All stop Output voltage of Ps sensor was zero.
All stop Output voltage of Pd sensor was zero.
(Sensor Open)
Pd > 4.15MPa during stop of compressor
Corresponding Indoor P .C. board did not operate normally. • Check indoor P .C. board error (EEPROM error).
unit only stops.
All stop (*1) Outdoor P .C. board (I/F) did not operate
normally.
All stop Inverter current detection circuit detected
over-current and stopped.
All stop Over-current was detected several
seconds after header compressor had
started.
All stop While header compressor stopped,
current flowed more than the specified
amount.
All stop Compressor 1 case thermostat performed
protective operation.
Check item (position)
• Misconnection of Ps sensor and Pd sensor connectors
• Check connection of Ps sensor connector.
• Check Ps sensor error.
• Check compression error of compressor.
• Check 4-way valve error.
• Check outdoor P .C. board (I/F) error.
• Check SV4 circuit error.
• Check connection of Pd sensor connector.
• Check Pd sensor error.
• Check outdoor P .C. board (I/F) error.
• Check power voltage.
• Check power noise.
• Check outdoor P .C. board (I/F) error.
• Check power voltage. (AC220–240V ± 10%).
• Check compressor error.
• Check cause of abnormal overload operation.
• Check outdoor P .C. board (IPDU) error.
• Check compressor error.
• Check power voltage. (AC220–240V ± 10%).
• Check cable of compressor and phase-missing.
• Check connector/terminal connection on IPDU P .C. board.
• Check conduction of case heater.
(Check activation error due to liquid stagnation in compressor.)
• Check outdoor P .C. board (IPDU) error.
• Check cabling of current detection circuit system.
• Check outdoor P .C. board (IPDU) error.
• Check compressor 1 case thermo circuit.
(Connector, cable, P .C. board)
• Check full opening of service valve. (Gas and liquid side)
• Check outdoor PMV clogging.
• Check SV4 circuit leakage.
• Check miscabling/misinstallation of SV4.
• Check valve open status of indoor PMV.
• Check 4-way valve error.
• Check refrigerant shortage.
• Check SV5 leak.