Lennox LHT078H

Page 34
.
LAMPS
BLACK ON
ENDS?
BANDS
AROUND LAMP
INTACT?
CONTINUITY
PRESENT?
LAMP LEDS NOT LIT
LAMP LEDS
LIT?
LAMP LEDS
LIT?
TURN POWER ON;
CHECK LAMP LEDS
REPLACE LAMPS;
TURN POWER ON
FIRST TURN THE POWER OFF.
BE SURE THAT THE 4-PIN
CONNECTORS FOR ALL THE
LAMPS ARE PROPERLY
ENGAGED
DONE
TWO PAIR, PIN TO PIN
ON EACH PAIR
(SEE DETAIL A)
CALL LENNOX
TECH SUPPORT
1-800-453-6669
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
DETAIL B
DETAIL A
BANDS
NOTE - CHECK FOR
CONTINUITY ON THE SETS OF
PINS CLOSEST TOGETHER
CHECK FOR
CONTINUITY
CHECK FOR
CONTINUITY
UVC LIGHT TROUBLESHOOTING - LAMP
FIGURE 35
M-Replacement Fuses
Refer to the following tables for proper fuse sizes.