1
22
TROUBLESHOOTING
Phenomenon
Cause
Check Item
Action
(Turn OFF main switch)
Check for clogging.
Remove clogging.
Check connecting wiring
and connectors.
Replace connector.
Check operating sound
from coil.
Replace coil.
Check discharge gas
thermistor.
Replace thermistor.
Faulty or Malfunction of
Expansion Valve
Check attaching state of
discharge gas thermistor.
Reattach thermistor.
Faulty Gas Bypass Solenoid
Valve
Check for clogging.
Replace gas bypass
solenoid valve.
Overcharged Refrigerant
Check cycle operating
temp.
Charge refrigerant
correctly.
Mixture of Non-Condensable
Gas in Refrigeration Cycle
Check ambient temp. and
pressure.
Recharge refrigerant after
vacuum pumping.
Clogging of Discharge Piping
Check for clogging.
Remove clogging.
Liquid Line Stop Valve or Gas
Line Stop Valve are not in
Operation
Check stop valves.
Fully open stop valves.
Activation of
High Pressure
Switch due to
Excessively
High Discharge
Pressure
Clogging of Check Valve
Check for clogging.
Replace check valve.
Содержание FS3 Series
Страница 2: ......
Страница 4: ......
Страница 114: ......
Страница 190: ......
Страница 191: ...3 MAIN PARTS 19 3 8 CIRCUIT DIAGRAM FOR PRINTED CIRCUIT BOARD OF OUTDOOR UNIT n Control Board 1 PCB1 1 2 ...
Страница 192: ...3 20 MAIN PARTS n Control board 1 PCB1 2 2 ...
Страница 193: ...3 MAIN PARTS 21 n Fan Control Board PCB2 ...
Страница 194: ...3 22 MAIN PARTS n Inverter Board PCB3 n Snubber Board PCB5 ...
Страница 196: ...3 24 MAIN PARTS n Control Board PCB of Indoor Unit Only for RPK Model ...
Страница 197: ...3 MAIN PARTS 25 3 10 CIRCUIT DIAGRAM FOR PRINTED CIRCUIT BOARD OF REMOTE CONTROL SWITCH n PC 2H2 ...
Страница 198: ...3 26 MAIN PARTS n PC 5H ...
Страница 199: ...3 MAIN PARTS 27 3 11 CIRCUIT DIAGRAM FOR PRINTED CIRCUIT BOARD OF RECEIVER ...
Страница 200: ......
Страница 239: ......
Страница 240: ...SMGB0001 06 01 Printed in Spain ...