Trane UHMB060ACV3VA Series - Troubleshooting Specific Faults; 5 Flash Fault LED Troubleshooting

UHM-DHM-SF-1H 45
Service Facts
Scroll through
User Interface to
View number 1 of
Last 4 Faults
User Interface
shows a
FLAME
ERROR?
DEFINITION:
Flame is sensed when it
should not be sensed.
Disconnect
electrical power to
furnace
Is there a drip leg
installed on inlet
gas piping per
installation
instructions?
Using a back-up wrench,
install new gas valve
Check operation
Inspect gas supply
for leaks and have
gas supplier check
gas quality
Are there signs of
moisture or debris
in the inlet of the
valve?
YES
Install drip leg per
National Fuel Gas
Code and
Installation
Instructions
YES
NO
NO
Turn off gas
supply! Remove
gas valve
5 Flash Fault LED