GLOW T180 - 7.2 High Limit Or Microfuse Open

Glow T180
Tankless Condensing Water Heater
59
7.2 High Limit Or Microfuse Open
A15
HIGH LIMIT OR MICRO FUSE OPEN
CHECK THE HIGH LIMIT SWITCH
(95°C)
IS THERE
CONTINUITY?
REPLACE
HIGH LIMIT
SWITCH
CHECK THE MICRO FUSE
CHECK HEAT EXCHANGER
IS THE HEAT
EXCHANGER
FUNCTIONING
CORRECTLY?
CHECK AND CLEAN HEAT EXCHANGER
REPLACE HEAT
EXCHANGER
REPLACE HEAT
EXCHANGER
NO
YES
YES
YES
NO
NO
IS THERE
CONTINUITY?