Chamberlain LiftMaster CSL24V Installation Manual page 37

TROUBLESHOOTING
CONTROL BOARD LEDS
YELLOW DIAGNOSTIC LED
# BLINKS MEANING
1 BLINK Low Power Mode
2 BLINKS ID resistor failure
3 BLINKS Exceeded Maximum
Run Timer
5 BLINKS RPM (obstruction)
Current (obstruction) Check for obstruction, if necessary
6 BLINKS
7 BLINKS Position failure
12 BLINKS Loop Error
STATUS LEDS
INPUT POWER OFF
ON
BATT OFF
CHARGING
ON
FAST BLINK
FASTER BLINK
TIMER OFF
ON
MEDIUM BLINK
FAST BLINK
FASTER BLINK
GATE MOVING OFF
ON
FASTEST BLINK
BATT LOW OFF
ON
MEDIUM BLINK
FAST BLINK
FASTEST BLINK
ACC PWR OVLD OFF
ON
DIAGNOSTIC CODES LEDS
CORRECTION
(not an error)
Check ID resistor wiring, clear limit
settings and reset limits
Check gate travel, if necessary adjust
force setting
Check for obstruction, if necessary
adjust force setting
adjust force setting
Check gate travel, clear limit settings
and reset limits
One of the loops is in error. Refer to the
loop detector to determine the error.
OFF state
AC charger or Solar power available
Not charging
Trickle charge
High current charge
Over voltage error
The timer is disabled
The timer is enabled
The timer is running
The timer is paused
The timer is cancelled
The gate is stopped
The gate is opening or closing
The operator is in E2
No battery error
Battery low error
Battery critically low error
Battery disconnected error
Charging, extreme temperature, or over
voltage error
OFF state
Accessory overload protector opened
RED DIAGNOSTIC LED
# BLINKS MEANING
2 BLINKS Current Sense
FET Failure
3 BLINKS
4 BLINKS RAM Failure
5 BLINKS Flash Memory
Failure
EEPROM Failure
6 BLINKS
7 BLINKS Watchdog Failure
8 BLINKS Brownout
9 BLINKS Fail
10-14 BLINKS Software Failure
OPEN INPUT OFF
ON
BLINK
CLOSE INPUT OFF
ON
BLINK
STOP INPUT OFF
ON
BLINK
FIRE DEPT OFF
INPUT
ON
BLINK
OPEN SAFETY OFF
INPUT
ON
BLINK
CLOSE SAFETY OFF
INPUT
ON
BLINK
35
CONTROL BOARD LEDS
CORRECTION
Motor control circuit fault, replace
control board
Motor control circuit fault, replace
control board
Memory failure, replace control board
Memory failure, replace control board
Memory failure, replace control board
Controller failure, replace control board
Check power harness or line voltage
Control Board failure
Cycle power to the control board. If
continues replace control board.
INPUT LEDS
Input inactive
Input active
Input active on other operator
Input inactive
Input active
Input active on other operator
Input inactive
Input active
Input active on other operator
Input inactive
Input active
Input active on other operator
Input inactive
Input active
Input active on other operator
Input inactive
Input active
Input active on other operator