Enviro EF2 Service Manual

45
Troubleshooting
Circuit Board Only: Press the fan button
(all the heat output lights should flash).
Does the fan come on?
If the convection blower runs on high at all times (no control with the fan controller), disconnect one
wire from the 160°F (71°C) sensor (if equipped it is located on the upper left side of the firewall).
Is the motor still running on high?
Re-connect the sensor and
replace the convection fan
controller/circuit board.
If control of the convection blower returns to the fan
controller or the blower turns off, clean the blades of the fan.
If this does not solve the problem, replace the sensor
YESNO
Press again to verify
that the blower turns on.
NO
Does the fan has a low pitched rumble and
excessive vibration?
Replace the fan controller / circuit
board.
YES
Refer also to
trouBleShooting - the Stove Will not operate When hot.”
Timer Control Only (EF4, 5): Replace the phase controller.
Replace the
circuit board.
THe ComBusTion (exHausT) moTor will noT FunCTion normally:
Apply 115V AC directly to the exhaust blower with a test cord, by removing the two leads and
plugging the motor in directly. Does the exhaust blower run?
Check the voltage coming from the wires.
Is there a voltage reading?
Refer to
taBle 2: Stove SpeCiFiCationS For
voltageS, and C.F.m.
Replace the exhaust blower, refer
to the hoW to’S For trouBleShooting
- HoW to remove the exhauSt
BloWer motor
Open the left side access panel; check
all connections against the unit’s wiring
diagram.
Are all the connections correct?
Tap lightly on the exhaust blower’s motor
end cap; this may loosen a tight motor.
YES
Correct the errors.
NO
YES
NO
NO
Replace
the circuit
board.
NO

Enviro EF2 Specifications

General

Brand	Enviro
Model	EF2
Category	Stove
Language	English