Enviro EF2 Service Manual

53
Visual check,
is the blower
motor
turning?
The combustion blower may not be turning fast enough to generate the
proper vacuum in the fire box.
Check vacuum levels in the exhaust channel by bypassing the vacuum
switch; refer to the hoW to’S For trouBleShooting - hoW to By-paSS the vaCuum
SWitCh and hoW to meaSure the vaCuum level produCed By the exhauSt BloWer.
Does the motor fail to reach the minimum reading for the model shown in
taBle 1: Stove SpeCiFiCationS For amperage, WattageS, and magneheliC readingS?
YES
Combustion blower failure - replace the combustion blower.
NO
Check the exhaust blower voltage across the blower wires (refer to
taBle 2:
Stove SpeCiFiCationS For voltageS, and C.F.m. for actual voltage per model).
Does the blower’s voltage fail to reach the minimum reading for the model
shown in
taBle 2 with a line voltage >115VAC?
Replace the
Circuit Board.
YES
There may be a vacuum switch failure. By pass the
vacuum switch, refer to
the hoW to’S For trouBleShooting
- hoW to By-paSS the vaCuum SWitCh.
Does this corrects the problem?
Check for the above problems
before replacing the vacuum
switch.
YES
Troubleshooting
Inspect the wires and connections.
Is there damage to gray wires between circuit board and
vacuum switch?
Replace gray wires.
YES
Is there fuel in the hopper?
Add pellet fuel to hopper.
NO
Refer to
trouBleShooting - the ComBuStion (exhauSt) motor Will not FunCtion normally & trouBleShooting
- the auger motor Will not FunCtion normally .
ligHT #3 on HeaT ouTPuT Bar FlasHing - CirCuiT Board only:
If light #3 on the heat output bar is flashing, the exhaust temperature sensor contacts have been
opened.
NO
Is a poor quality
pellet fuel being
used?
There is insufficient energy in the fuel to produce enough heat to
keep the stove burning or operational.
Set unit controls to a higher heat setting or use a higher quality fuel.
YES

Enviro EF2 Specifications

General

Brand	Enviro
Model	EF2
Category	Stove
Language	English