Product data

Table 7 – General Troubleshooting Chart (Page 2 of 2; Return to Page 1)
SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION
Water accumulates and overflows
from evaporator drain pan.
Drain pan pipe or hose is clogged or the
spout of drain pan is clogged.
Disassemble plastic drain-pipe from spout of
evaporator drain pan. Flush with clean water.
Water dripping from the condenser
base (in Heat mode).
Water drain outlet or the spout is clogged.
Open condenser cover, clean out water
outlet, clean the base inside thoroughly.
a. The 3-position slide switch on the A/C
display is in AUTO or OFF position.
Change the slider position to REMOTE
(RMOT).
1. If Remote Control symbols respond to the
commands correctly, check the A/C ID Code
(Standard or Alternative). Refer to “Changing
A/C ID Code” and to Remote Control DIP
switch 3 setting.
2. If Cool commands are OK, but Heat
symbol is skipped on LCD, refer to Remote
Control DIP switch 7 setting.
b. Faulty Remote Control settings.
3. Replace Remote Control.
c. Remote Control low battery. Replace Remote Control batteries.
Unit does not operate in desired
mode.
d. IR detector.
Try shorter distance between Remote Control
and A/C. If no response, replace IR detector.
The A/C is interfered by other
Remote Control or our Remote
Control interfering other
instruments.
Common IR Code.
Modify the Remote Control IR transmission
code. Refer to “Changing A/C ID Code” and
to Remote Control DIP switch 3 setting.
a. Faulty TH-3 (outdoor) sensor.
Replace the TH-3 sensor.
In Cool mode: the unit
(compressor) does not start.
b. Faulty TH-3 Extension Cable (between
indoor and outdoor).
Replace TH-3 Extension Cable.
Note:
Check for broken wires and loose cable lugs first!
WARNING
: Always unplug the A/C before performing cleaning or maintenance activities.