Lennox G24M SERIES Unit Information

3DJH 
RAM CONTROL
COOLING TROUBLE SHOOTING SEQUENCE
YES
THERMOSTAT CALLS FOR COOLING.
LED: Slow flash rate.
REMAINS UNCHANGED THROUGHOUT COOLING CYCLE.
NO
COMPRESSOR CONTACTOR AND SYSTEM FAN
ENERGIZED AT COOLING SPEED AFTER
1 SECOND DELAY. ACC TERMINAL ENERGIZED.
THERMOSTAT OPENS.
COMPRESSOR OFF.
SYSTEM FAN AND ACC TERMINAL OFF AFTER
COMPLETING SELECTED DELAY INTERVAL
(At dip switches).
MANUAL FAN TROUBLESHOOTING SEQUENCE
MANUAL FAN SELECTION MADE AT THERMOSTAT.
CONTROL ENERGIZES SYSTEM FAN AT CONTINUOUS
SPEED. ACC TERMINAL ENERGIZED.
THERMOSTAT CALLS FOR HEAT.
LED: Slow flash rate.
REMAINS UNCHANGED THROUGHOUT SEQUENCE.
THERMOSTAT CALLS FOR COOLING.
SYSTEM FAN SWITCHES TO HEATING SPEED AFTER
SELECTED DELAY. ACC TERM. REMAINS ENERGIZED.
SYSTEM FAN SWITCHED TO COOLING
SPEED. ACC TERMINAL REMAINS ENERGIZED.
SYSTEM FAN SWITCHES TO CONTINUOUS SPEED
AND ENERGIZES ACC TERMINAL. BOTH REMAIN ON
UNTIL MANUAL FAN IS SWITCHED OFF AT THERMOSTAT.
YES NO
LED CODES
SLOW FLASH
FAST FLASH
2 FLASH
3 FLASH
4 FLASH
5 FLASH
STEADY ON
NORMAL OPERATION. NO CALL FOR HEAT.
NORMAL OPERATION. CALL FOR HEAT.
SYSTEM LOCKOUT. FAILURE TO DETECT OR SUSTAIN FLAME.
PRESSURE SWITCH OPEN OR CLOSED.
HIGH LIMIT OR ROLLOUT SWITCH OPEN.
FLAME SENSED AND GAS VALVE NOT ENERGIZED.
CONTROL BOARD FAILURE.
.
THERMOSTAT OPENS.
THERMOSTAT OPENS.
SYSTEM FAN SWITCHED OFF AFTER DELAY.
ACC TERMINAL DE--ENERGIZED.

Lennox G24M SERIES Specifications

General

Brand	Lennox
Model	G24M SERIES
Category	Furnace
Language	English