12-27
CONTROL SYSTEM
Revision Y05-01
Service Manual - ALPHA
12.13 Controller Self-Test Procedure
12.13.1
By Shorting Test Jumper J1
RC/ST TEST
MODEL
CONFIGURATION
TEST
STEP MOTOR TEST
FREQUENCY
TEST
LEDS OFF
LEDS ON TEST
AUTO RELAY
TEST
SHORT JUMPER
J1
(CONTROL PCB)
PRESS ON
POWER
BUTTON
PRESS ON
MODE
BUTTON
INDOOR FAN
SPEED TEST
SELF-TEST FLOW CHART
Step 1
Step 2
Step 3
FOR CONTROLLER (VERSION 4V5 OR HIGHER)
COOL
HEAT
COMPRESSOR
OUTDOOR FAN
R.V.
LOW
MEDIUM
HIGH
TIMER
OPERATE
STANDBY
BUZZER TEST
(ONE BEEP SOUND)
REMOTE CONTROL
TO CPU COMUNICATION
(TWO BEEPS SOUNDS)
THERMISTOR ANALOG
VOLTAGE CHECKING
EEPROM
MEMORY
TEST
END OF SELF
TEST
PRESS ON
RESET
BUTTON
PRESS ON
FAN
BUTTON
ON THE
REMOTE CONTROL
PRESS ON
MODE
BUTTON
PRESS ON
MODE
BUTTON
Step 4
Step 5
Step 6
Step 7
Step 8
DISCONNECT
JUMPER
J1
