User Guide

Page 14
LED Status Co ntrol Status Probable Cause Service Procedure
Six fla shes, two
flashes, th ree
second pause
(So ft Lockout)
Pressure sw itch or
blower temp switch
opened during
burner operation,
system auto res
ets
after (5) minutes
1. Vent blockage or impro p er vent
configuration
2. P ressure sw itch tub ing kinked or
blocked
3. Faulty pressure sw itch
4. Blow er not spinning up to spee
d
5. Damper (ins ide blower) no t fully
opening
6. Faulty blower temperature sw itch
1. See Burner Ins pection on
page 15
2-4. See Pressure Sw itch Testing
and Replacem
ent on page 35
Six flashes, th ree
flashes, th ree
second pause
(So ft Lockout)
Pilot flame
extinguished,
system auto resets
after (5) minutes
1. Uns t able pilot
2. P ilot tub e block or
restricted
3. Oxidation build-up on pilot
electrode
4. Wire damage to pilot assembly or
bad connection at gas control
5. Insufficient combustion air
6. Insufficient
g
as
p
ressure
1. See Burner Ins pection on
page 15
2-4. See Pilot Ins pection, Te sting
and Replacement on page 17
5. Refer to Ins tallation &
Operation Manual
Six flashes, four
fla
shes, th ree
second
p
aus e
Undesired false
pilot flame sens ed,
s
y
stem auto resets
Pilot valve stuck in open pos ition Replace gas control
Seven flashes,
three second
paus e
Flammable vapor
senso r or
resettable thermal
switch fault
detected, see
warning label
1. Fla mmable vapor present
2. Fla mmable vapor sens or exposed
to excessive mo isture
3. Fla mmable vapor sens or exposed
to extreme ambient temperatu re
4. Resettable thermal sw itch open
See Flammable Vapor Sens or
Testing on page 27
Eight flashes,
one flash, three
second paus e
Flammable vapor
sens o r out of
specification,
poss ible short
1. Fla mmable vapor sens or out of
speci
fication; verify Flammable Vapor
Senso r (FVS) resistance is no t below
25,000 Ohms .
2. Possible short in flammable vapor
sens o r or resettable therm al sw itch
wirin
g
See Flammable Vapor Sens or
Testing on page 27
Eight flashes,
two flashes,
three second
paus e
Temp erature
sens o r fault
detected
1. Damage to temp erature sens or
wires
2
. Temperature sens o r resistance
out of range
3. Re
p
lace tem
p
erature senso r
See Temperature Sens o r Testing
on page 21
Eight flashes,
three flashes,
three second
paus e
Gas control
electronics fault
detected
1. Verify control is not wet or
phys
ically damaged
2. Reset control on/off sw itch
3. Replace gas control if 8-3 error
p
ersists
See Gas Control Remo val on
page 25
Eight flashes,
four flashes,
three second
paus e
Gas control fault
detected
1. Verify control is not wet or
phys ically damaged
2. R
eset control on/off switch
3. Replace gas control if 8-4 error
p
ersists
1. Replace gas control if wet or
phys ically damaged
2. Cycle pow er
3. Replace gas control
Troubleshooting
14