Magikist HWG40, Instruction Manual

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Symptom Probable Cause Corrective Action
•EXTERNAL CONTROL indicator is
always off.
•If the installer of your heater has
utilized an external master
enable/disable for the heater (i.e. a
keyswitch to prevent unauthorized
use), then that master
enable/disable is not enabled (i.e.
the switch is not turned on).
•EXTERNAL CONTROL connections
are not wired correctly.
•Enable the external master
enable/disable.
•See section 4.10 ELECTRICAL
CONNECTIONS for proper wiring
of the EXTERNAL CONTROL
connections.
•EXTERNAL CONTROL indicator is
always on.
•The heater is supplied with the
EXTERNAL CONTROL option
bypassed such that the EXTERNAL
CONTROL indicator will always be
on. If your installer has not utilized
an external master enable/disable
for the heater, then it is correct for
the EXTERNAL CONTROL
indicator to be on all the time.
•No action required.
•FLUE STATUS indicator is
flashing but temperature setting
shows no error and heater
operates correctly.
•Warning condition that temperatures
in flue are at or near freezing.
•Take necessary steps to increase
temperature in flue so that coil does
not freeze.
•DAMPER-OPEN indicator is
always on.
•If an automatic vent damper is not
installed, then this is normal and
correct operation.
•The automatic vent damper may not
have been correctly connected, or
may be jammed due to improper
installation.
•The service switch on the motor
housing of the damper is in “HOLD
DAMPER OPEN” position.
•No action required.
•See section 4.10 ELECTRICAL
CONNECTIONS for proper wiring
of an automatic vent damper.
Section 5.3 CHECK FLOW
SWITCH & AUTOMATIC VENT
DAMPER provides instructions to
ensure the damper is operating
correctly.
•Move service switch to the
“AUTOMATIC OPERATION”
position.
•DAMPER-OPEN indicator is
always off.
•If an automatic vent damper is not
installed then the jumper plug
required may not be installed.
•The automatic vent damper may not
have been correctly connected, or
may be jammed due to improper
installation.
•See section 4.10 ELECTRICAL
CONNECTIONS for proper wiring
of the heater with and without an
automatic vent damper. Section 5.3
CHECK FLOW SWITCH &
AUTOMATIC VENT DAMPER
provides instructions to ensure the
damper is operating correctly.