Service manual

54
Check of expansion valve (LEV)
O
Heating/Cooling does not operate.
Replace the
LEV coil.
Replace the LEV.
With remote controller set toward the indoor unit,
press OPERATE/ STOP(ON/ OFF)
button and confirm one beep tone.
Replace the outdoor
electronic control P.C.
board.
LEV operates in full-opening
direction.
Is LEV coil properly fixed to
the body?
Ok
Do you hear LEV "click,
click·······"?
Do you touch LEV and
feel it vibrate?
Is LEV coil resistance as per
characterictics below?
Do you hear LEV
"click, click·········"?
No
Yes
Yes
Yes
Yes
No
No
No
Properly fix LEV coil to
the body.
Ok
Confirm again that LEV
is operating.
1Turn OFF the outdoor unit power supply.
2Turn ON the outdoor unit power supply.
OB297--2.qxp 04.2.4 4:21 PM Page 54