Error Mode Detected By Outdoor Unit - Toshiba Carrier RAV-SP180AT2-UL Service Manual

Error mode detected by outdoor unit

Operation of diagnostic function
Check code
Indoor unit
Cause of operation
4-Way
Under
High
Ceiling
Wall
Disconnection, short of discharge
F04 F04
temp. sensor (TD)
Disconnection, short of outdoor temp.
F06 F06
sensor (TE)
Disconnection, short of outdoor temp.
F07
sensor (TL)
Disconnection, short of suction temp.
F12
sensor (TS)
Miss-mounting of outdoor temp.
F15
sensor (TE, TS)
Disconnection, short of outside temp.
F08 F08
sensor (TO)
Disconnection, short of heat sink
L29 F13
temp. sensor (TH)
F31 Outdoor P.C. EEPROM error
L10 Unset jumper of service P.C. board
Communication error between
L29
outdoor P.C. board MCU
Heat sink overheat error
P07
∗ Heat sink temp. sensor detected
over specified temperature.
Detection of gas leak
∗ Discharge temp. sensor (TD),
P15
Suction temp. sensor (TS) detected
temperature over specified temp.
4-way valve inverse error
∗ After heating operation has started,
indoor heat exchanger temp. lowers
P19 under the specified temp.
∗ After heating operation has started,
outdoor heat exchanger / suction
temp. rises over the specified temp.
Compressor break down
H01 H01 ∗ Although operation has started,
operation frequency decreases and
operation stops.
Compressor lock
H02 H02
∗ Over-current detection after
compressor start-up
H03 H03 Current detection circuit error
Status of
Condition
air conditioner
Displayed when
Stop
error is detected
Displayed when
Stop
error is detected
Displayed when
Stop
error is detected
Displayed when
Stop
error is detected
Displayed when
Stop
error is detected
Displayed when
Continue
error is detected
Displayed when
Stop
error is detected
Displayed when
Stop
error is detected
Displayed when
Stop
error is detected
Displayed when
Stop
error is detected
Displayed when
Stop
error is detected
Displayed when
Stop
error is detected
Displayed when
Stop
error is detected
Displayed when
Stop
error is detected
Displayed when
Stop
error is detected
Displayed when
Stop
error is detected
– 53 –
Judgment and measures
1. Check discharge temp. sensor (TD).
2. Check outdoor P.C. board.
1. Check temp. sensor (TE).
2. Check outdoor P.C. board.
1. Check temp. sensor (TL).
2. Check outdoor P.C. board.
1. Check suction temp. sensor (TS).
2. Check outdoor P.C. board.
1. Check temp. sensor (TE, TS).
2. Check outdoor P.C. board.
1. Check outside temp. sensor (TO).
2. Check outdoor P.C. board.
1. Check outdoor P.C. board.
1. Check outdoor P.C. board.
1. Outdoor service P.C. board
Check model type setting jumper wire.
1. Check outdoor P.C. board.
1. Check screw tightening between PC. Board and heat
sink and check radiator grease.
2. Check heat sink blast path.
1. Check gas leak, recharge
2. Check full open of service valve.
3. Check PMV (Pulse Motor Valve).
4. Check broken pipe.
5. Check discharge temp. sensor (TD), suction temp.
sensor (TS).
1. Check operation of 4-way valve.
2. Check outdoor heat exchanger (TE), suction temp.
sensor (TS).
3. Check indoor heat exchanger sensor (TC).
4. Check 4-way valve coil.
5. Check PMV (Pulse Motor Valve).
1. Check power supply voltage. (AC187, 253V)
2. Overload operation of refrigerating cycle.
3. Wiring error of compressor (Open phase)
1. Trouble of compressor (Lock, etc.): Replace compressor.
2. Wiring error of compressor (Open phase)
1. Check outdoor P.C. board. (AC current detection circuit)