MovinCool Office Pro 63 Service Manual - Manual (Page 34)

Repair Section
34
(4) Inspection of drain tanks (optional)
• Make sure tank is fully drained.
< NOTE >
If the fan mode control DIP switch is set to the stop position, the entire unit (including fan
operation) turns off.
The following pages (page 34 to 42) are self-diagnostic codes and troubleshooting information.
Detailed information is contained in the OPERATION MANUAL supplied with the unit.
7.2 Self-Diagnostic Codes
• Self-diagnostic codes are displayed on the control board under the following conditions and
clear method is as follows.
LCD Display Description Condition Reset/Remedy
Drain tanks is full When the drain tanks (optional) is
filled with drain water.
(“TANK FL” LED flashes and signal
output (J106) turns on.)
1) Drain away.
(LCD indicates “TANK”)
2) Press ON/OFF button.
Condensate pump
problem
When condensate pump is
damaged or broken.
(J8 input of relay board turns to
open and signal output (J106) turns
on.)
1) Fix the condensate pump.
2) Reset the system.
To RESET: Press ON/OFF and
HI/LO buttons on the control box
simultaneously for 5 sec.
Defect (short or open)
of room thermistor
When room thermistor (connecting
to J101) becomes short or open.
(Signal output (J106) turns on.)
Disconnect and reconnect the
room thermistor.
If it doesn’t work, then change it.
TU
AM
F
SET TEMP
HI
ON
COOL
FAN
F
SET TEMP
HI
ON
COOL
FAN
F
SET TEMP
HI
ON
COOL
FAN