Toshiba Estia RUA-CP1701H, Руководство по установке

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Monobloc Outdoor Unit Installation Manual
Check Code Diagnostic functional operation
Determination and action
Alarm [P344]
Curr
ent Alarm [P346] to [P349]
Past Alarm [P350] to [P354]
Operational Cause Unit Status
Automatic
Reset
243 60 Reversing valve protection Compressor stop O
Alarm reset by resetting the power supply to the Monobloc outdoor unit. Error becomes
definite after retrying operation for 4 times.
1. Check operation of 4-way valve.
2. Check air heat exchanger (TE), suction temp. sensor (TS).
3. Check BPHE sensor (TR).
4. Check 4-way valve coil.
5. Check PMV (Pulse Motor Valve).
246 61 Fan error Compressor stop O
Alarm reset by resetting the power supply to the Monobloc outdoor unit. Error becomes
definite after retrying operation for 8 times.Error detected in either of the following
condition;
1) Fan motor lock
2) Fan motor IPM over currentat start up
3) Fan IPDU DCvoltage abnormal
Check:
1. Check lock of fan motor.
2. Check power supply voltage between L2 and N.
250 62
Compressor inverter short
circuit protection
Compressor stop O
Alarm reset by resetting the power supply to the Monobloc outdoor unit. Error becomes
definite after retrying operation for 8 times. Error detected in either of the following
condition;
1) Compressor IPM short circuit detection at start up
2) Compressor IPM short circuit detection during coil heating
253 63
Compressor motor position
detection error
Compressor stop O
Alarm reset by resetting the power supply to the Monobloc outdoor unit. Error becomes
definite after retrying operation for 8 times. Error detected when offset voltage of motor
current sensor is abnormal before compressor start up.
129 64 Compressor breakdown Compressor stop O
Alarm reset by resetting the power supply to the Monobloc outdoor unit. Error becomes
definite after retrying operation for 8 times. Error detected in either of the following
condition;
1) Compressor over current
2) Compressor IPM short circuit
3) Compressor motor control failure
Check:
1. Check power supply voltage.
2. Overload operation of refrigerating cycle
130 65 Compressor lock Compressor stop O
Alarm reset by resetting the power supply to the Monobloc outdoor unit. Error becomes
definite after retrying operation for 8 times. Error detected in either of the following
condition;
1) Compressor motor lock
2) Compressor motor IPM over current at start up
Check:
1. Trouble of compressor (Lock, etc.): Replace compressor.
2. Wiring error of compressor (Open phase)
132 70
Compressor thermal switch
release failure
Compressor stop O
Alarm reset by resetting the power supply to the Monobloc outdoor unit. Error becomes
definite after retrying operation for 10 times.
1. Check case thermostat and connector.
2. Check gas leak, recharge
3. Check PMV (Pulse Motor Valve).
4. Check broken pipe.
134 71 Suction pressure too low Compressor stop O
Alarm reset by resetting the power supply to the Monobloc outdoor unit. Error becomes
definite after retrying operation for 8 times.
1. Check clogging of outdoor PMV.
2. Check 2-way valve circuit.
3. Check Ps sensor error (LP).
4. Check clogging of refrigerant filter.
5. Check clogging of refrigerant pipe.
6. Check of fan operation (In heating mode).
7. Check short of refrigerant.
244 72
High Pressure System error
(Pressure Switch, Compressor
Case Temperature, Power
Supply)
Stop O
Alarm reset by resetting the power supply to the Monobloc outdoor unit. Error becomes
definite after retrying operation for 10 times.
1. Check outdoor heat exchanger sensor (TL).
2. Check fan.
3. Check PMV (Pulse Motor Valve).
4. Check clogging and short circuit of heat exchanger.
5. Overcharge of refrigerant. Recharge
131 73 Current detection circuit error Compressor stop O
Alarm reset by resetting the power supply to the Monobloc outdoor unit. Error becomes
definite after retrying operation for 8 times. Error detected in either of the following
condition;
1) Motor current sensor failure