GLOW T180 - 7.4 Block Flue Switch Open

Glow T180
Tankless Condensing Water Heater
61
7.4 Block Flue Switch Open
* Resistance Value vs. Temperature Section 7.10
A24
BLOCK FLUE SWITCH OPEN
CHECK THE EXHAUST VENT
IS VENT CLEAR
FROM OBSTRUCTION?
RESET HEATER
CLEAR ALL OBSTACLES INSIDE
VENT AND FROM VENT TERMINAL
IS
MOISTURE/
CONDENSATE
INSIDE SILICON
TUBES
CHECK THE BLOCK FLUE
SWITCH CABLE FOR
CONTINUITY/BREAKAGE
CLEAR ALL
SILICON TUBES
YES
NO
NO
YES
NO
NO
IS FLAME
ON?
RESET HEATER
CHECK MOISTURE/CONDENSATE
INSIDE SILICON TUBES
CHECK THE BLOCK
FLUE SWITCH WITH
MULTIMETER
IS FLAME
ON?
IS
THEIR
CONTINUITY?
NO
REPLACE PART
IS
THEIR
CONTINUITY?
RESET HEATER
YES
NO
REPLACE CABLE