Checkups Before Reporting Breakdown - LG PREMTB10U Installation & Operation Manual

OPERATION INSTRUCTION
54

Checkups before reporting breakdown

Please first check the items below for troubleshooting before consulting a service center.
Symptoms
• Is air-conditioner's power on?
Abnormal operat-
• Are air-conditioner and Ther-
ing conditions.
• Is cable connection correct?
• Did you correctly setup time? • Please set up current time correctly.
It doesn't operate
reservation.
• Did you correctly make a
• Is desired temperature setup
It doesn't release
cool wind.
Air-conditioner au-
tomatically runs or • Isn't reservation drive setup?
stops.
Error is indicated
• Does Thermostat indication
on Thermostat in-
dication window.
Check-up
mostat properly connected
with cable?
reservation?
lower than current tempera-
ture?
window indicate 'CH03'?
Management
• Please check up circuit breaker.
• Please check up Thermostat wire setup
condition.
• Please connect air-conditioner and Ther-
mostat cable.
• Please check again referring to setup
method at the manual.
• Please set up again referring to the man-
ual.
• Please set up desired temperature lower
than current temperature.
• Please set up 'Weekly timer'
again referring to the manual.
• Please check again remote controller
wire setup condition.
• Please check again connection condition
of air-conditioner and Thermostat cable.