52
9.2.6 Refrigerant Leakage Detection diagnosis and solution(EC)
Is there cool air blowing
out from indoor air outlet?
Yes
Yes
Check if T2 sensor is well
fixed. Correct the installation
or replace T2 sensor. Does
the problem remain again?
No
Is there any leakage? Especially
the connection parts, such as the
gas valve and the liquid valve.
No
Shut off the power supply and
turn it on 5 seconds later. Is it
still displaying the error code?
Replace indoor PCB.
Yes
Repair the leakage and
recharge the refrigerant.
Yes
Clear the blocking.
Yes
Is there any block i n g ? (Such as the
capillary or the welded points of the pipes.)
Содержание 9ASI-A-1209
Страница 1: ...LUNA INVERTER SERIES Service Manual 2012 9ASI A 1209...
Страница 12: ...12 5 Wiring Diagram 5 1 Indoor Unit MS9AU 09HRDN1 QRC4W MS9AU 12HRDN1 QRC4W MS9AU 18HRDN1 QRC4W...
Страница 13: ...13 MS9A 24HRDN1 QRC4W...
Страница 14: ...14 5 2 Outdoor Unit MOB 09HFN1 QRC4W MOB 12HFN1 QRC4W MOC 18HFN1 QRC4W...
Страница 15: ...15 MOF 24HFN1 QRC4W...
Страница 26: ...26 Use torque wrench to tighten the service port cap to a torque of 18N m Be sure to check for gas leakage...
Страница 31: ...31 continuous 4 seconds and this situation happens 3 times the display area will show EC and AC will turn off...
Страница 48: ...48 9 2 Diagnosis and Solution 9 2 1 EEPROM parameter error diagnosis and solution E0...
Страница 49: ...49 9 2 2 Indoor unit and outdoor unit communication protection error diagnosis and solution E1...
Страница 51: ...51 9 2 5 Open circuit or short circuit of temperature sensor diagnosis and solution E4 E5 F1 F2 F3...
Страница 53: ...53 9 2 7 Outdoor fan speed has been out of control diagnosis and solution F5...