25
8.4 Self-Test Program and Execution Procedure
(1) Deactivating 3-minute restart prevent lock
●
Start:
Press the MODE and AUTO buttons together 3 times when the power is off. Press the
POWER button within 2 seconds.
●
Functions:
1
Deactivates 3-minute restart prevention lock (immediate operation)
2
Fan: Fix at rank 6 (max. airflow)
3
Activates compressor
4
Operating mode: Low Temp
5
COLD lamp is lit.
6
When E
2
PROM error is detected, Full, drying inside, DEF lamp are lit.
●
To end:
Turn power off. The solenoid valve functions for 4 seconds.
(2) LED sensor test
Start ...................... Press the MODE and AUTO buttons together 4 times
when the power is off. Press the POWER button
within 2 seconds.
Mode selection ..... Use the AUTO button to change through the self test
modes.
Sensor disconnection/
short circuit check
Lights all LEDs
Indicates Board
type switch data
and/or Micropr
ocessor version
Indicates EPROM2
data/version
Humidity detected
by humidity monitor
Indicates error history/
error count
Tube temperature thermistor
Room temperature thermistor
LED display
LED display
means lit
Normal
Disconnection
Short circuit
4hr
LAUNDRY
2hr
LOW TEMP
8hr
LOW
First digit of humidity
Second digit of humidity
LED display
LED display
Example
means lit
2hr
4hr
8hr
EASY
DEHUMIDIFYING
AIR PURIFIER LOW TEMP LAUNDRY
LOW
50%
77%
83%
LEDs Indicate current humidity in hexadecimal.