![background image](http://html1.mh-extra.com/html/carrier/38qg15-h/38qg15-h_service-and-maintenance-manual_2560738020.webp)
18
15. TROUBLE
SHOOTING
TROUBLE
REASON
ACTION
After batteries have been placed
into the remote control, the
display is not lit.
Batteries are exhausted or have
the wrong polarity.
Replace batteries or check
polarity.
When pressing the recessed
clock adjustment button, hour
figures on display do not flash.
Recessed button has not been
pressed correctly.
Press with a round point, avoid
exerting strong pressure
Recessed button for time
setting is blocked due to
excessive pressure during use.
Check and repair.
When pressing any button, all
symbols appear on display.
Remote control has been
irreversibly damaged.
Replace with a new one.
Main switch is OFF.
Switch it to ON position.
Remote control batteries are
exhausted.
Replace batteries.
Remote control has not been
pointed correctly to the receiver
of indoor unit.
Turn remote control OFF and
repeat the operation in the
correct direction.
There are obstacles (curtains,
walls, etc.) between the remote
control and the indoor unit
Repeat the operation after
having removed the obstacles.
Receiver on the indoor unit or
the remote control is under
intense sun radiation.
Avoid direct sun on the unit,
shut curtains or shades.
When pressing start button, unit
does not acknowledge signal
with a beep.
OR
When pressing stop button, unit
does not acknowledge signal
with a beep.
OR
When pressing any function
button, the remote control
shows the function requested
on the display, but unit does not
acknowledge signal receipt with
a beep and does not carry out
the function.
Signal transmission is
obstructed by severe
interference from an
electromagnetic field.
Avoid sending signals when
computers or household
appliances (Food processors,
coffee makers, etc.) are
operating close by cellular or
cordless telephones may also
interfere with the control.
Main supply switch is OFF
Switch to ON
Fuses or main switch are blown Replace fuses
Protection against frequent
compressor cycling is ON
Wait for 3 minutes.
Air conditioner will not start.
Selected temperature is higher
than the room temperature in
the cooling mode (or lower in
the heating mode).
Correct selected temperature.
Summary of Contents for 38QG15-H
Page 8: ...6 8 WIRING DIAGRAMS...
Page 9: ...7 WIRING DIAGRAMS Cont...
Page 11: ...9 11 REFRIGERATION CYCLE 53VMC SERIES HEAT PUMP SYSTEM...
Page 12: ...10 REFRIGERATION CYCLE 53VMC SERIES Cont COOL ONLY SYSTEM...
Page 29: ...6 8 WIRING DIAGRAMS...
Page 30: ...7 WIRING DIAGRAMS Cont...
Page 32: ...9 10 REFRIGERATION CYCLE 53VMC SERIES HEAT PUMP SYSTEM...
Page 33: ...10 REFRIGERATION CYCLE 53VMC SERIES Cont COOL ONLY SYSTEM...