ESIE16-03B
|
Part 2. Troubleshooting
2.2. Error based troubleshooting
Page 32
22/08/16
|
Version 1.1
SA R32 Sky-Air RZAG-L
2.2.2.8. “H3-00” – High pressure switch abnormality
Non condensables in refrigerant.
Check for non condensables in refriger-
ant.
In case of suspicion of non condensables,
recover, vacuum and recharge with virgin
refrigerant.
Stop valve is closed.
Check if stop valve is open.
Open stop valve when required.
Faulty 4-way valve.
Check the 4-way valve (see
"4-way valve"
on page 47
).
Replace the 4-way valve coil (see
"Replacing 4-way valve coil" on page 75
)
or body (see
"Replacing 4-way valve
body" on page 73
) when required.
Faulty expansion valve.
Check the expansion valve (see
"Elec-
tronic expansion valve" on page 50
).
Replace the expansion valve body (see
"Replacing expansion valve body" on
page 81
) or motor (see
"Replacing expan-
sion valve motor" on page 82
) when
required.
Faulty outdoor unit main PCB.
Check if the HAP LED is blinking in regu-
lar intervals (see
"Main PCB" on page 55
).
Check if the correct spare part is installed.
Check if the outdoor main PCB receives
power.
Restore the power to the outdoor main
PCB.
Replace outdoor main PCB when HAP
LED is not blinking in regular intervals
(see
"Replacing main PCB" on page 89
).
Faulty discharge thermistor.
Check discharge thermistor (see
"Refrig-
erant thermistors" on page 57
).
Replace discharge thermistor when
required.
Faulty heat exchanger thermistor.
Check heat exchanger thermistor (see
"Refrigerant thermistors" on page 57
).
Replace heat exchanger thermistor when
required.
Faulty outdoor temperature thermistor.
Check outdoor temperature thermistor
(see
"Refrigerant thermistors" on
page 57
).
Replace outdoor temperature thermistor
when required.
Trigger
Effect
Reset
High pressure switch is activated when
compressor is off.
Unit will stop operating.
Manual reset via user interface.
Possible cause
Check
Corrective action
Stop valve is closed.
Check if stop valve is open.
Open stop valve when required.
Faulty outdoor unit main PCB.
Check if the HAP LED is blinking in regu-
lar intervals.
Check if the correct spare part is installed.
Check if the outdoor main PCB receives
power.
Adjust the power to the outdoor main
PCB.
Replace outdoor main PCB when HAP
LED is not blinking in regular intervals
(see
"Replacing main PCB" on page 89
).
Faulty outdoor inverter PCB.
Check outdoor inverter PCB.
Check if the alive led is blinking in regular
intervals.
Check if the correct spare part is installed.
Adjust the power to the outdoor inverter
PCB.
Replace outdoor inverter PCB (see
"Replacing main PCB" on page 89
).
Faulty or disturbance of the power supply
(imbalance > 10%). Power drop. Short cir-
cuit.
Check if the power supply is conform with
regulations.
No fluctuations in frequency.
Adjust power supply when required.
Power reset via outdoor unit.
Faulty high pressure switch.
Check high pressure switch (see
"High
pressure switch" on page 53
).
Replace the high pressure switch (see
"Replacing high pressure switches" on
page 86
).
Faulty capacity adapter on outdoor PCB.
Check if the correct adapter is installed.
Check if the correct spare part is installed.
Adjust capacity adapter when required.
Possible cause
Check
Corrective action
Содержание SA R32 Sky-Air RZAG-L
Страница 14: ...ESIE16 03B Part 1 Introduction 1 4 How to use Page 14 22 08 16 Version 1 1 SA R32 Sky Air RZAG L...
Страница 60: ...ESIE16 03B Part 2 Troubleshooting 2 5 Other capacity range Page 60 22 08 16 Version 1 1 SA R32 Sky Air RZAG L...
Страница 94: ...ESIE16 03B Part 3 Repair 3 3 Unit specific repair procedures Page 94 22 08 16 Version 1 1 SA R32 Sky Air RZAG L...
Страница 98: ...ESIE16 03B Part 5 Appendix Page 98 22 08 16 Version 1 1 SA R32 Sky Air RZAG L...
