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Commander Ductable Make-Up Air Heater
Owner’s Manual •
Commander Ductable Make-Up Air Heater
25
Commander Ductable Make-Up Air Heater
25
Premier Ductable Heater
Owner’s Manual • Premier 700DF
27
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Owner’s Manual • Commander Ductable Make-Up Air Heater
HE
ATI
NG
MO
DE
Volt meter does not display
voltage.
Is the heater connected
to a proper power
supply?
Connect heater to
proper power
supply
Is the power cord of proper gauge for the distance ?
Check
the power source
electrical connections
Yes
No
Yes
Replace power
cord.
No
Red
High Limit
LED
ON
Is the high limit tripped?
Reset the high limit switch and restart the heater
Are the wires connected properly to the
switch?
Check continuity. Replace switch.
Yes
No
Yes
Connect wires and
restart heater
No
Red
Fault
LED
ON
See Ignition Control Module LED for error flash code
. See
Ignition Control Module Troubleshooting on next page.