29
FUTERA FUSION INSTALLATION AND OPERATION INSTRUCTIONS
No power to control circuit.
Power not connected.
Wire unit to line voltage.
External circuit breaker open.
Reset breaker.
Transformer fuse open.
Replace fuse.
No action on call for heat.
Primary limit or
• Reset limit control or resolve
other control/interlock open.
problem as applicable.
• If not resolved, check wiring and
condition of limit
Low water cutoff open.
• Check circulating pump.
• Check pump contact in control box.
• Check LWCO wiring and condition.
Operating control sensor(s) not wired
• Wire sensor(s) or replace as necessary.
or are malfunctioning.
• Check error message on control, refer to
control
documentation.
Operating control malfunctioning.
Replace operating control.
No power to pump.
Pump contact not wired.
Wire pump contact in control box.
Defective pump relay C1.
Replace pump relay C1.
Operating Control malfunctioning.
Replace operating control
Pump
malfunctioning.
Replace
pump.
No power to optional
Power venter not wired to
Wire power venter as shown in connection
power venter.
external power.
diagram.
Defective power venter timer TD1.
Replace power venter timer TD1.
Defective fl ame sense relay.
Replace fl ame sense relay.
Power venter fault.
Replace power venter.
Power venter on,
Power venter interlock not wired.
Wire power venter interlock as shown in
no action from unit.
connection diagram.
No power to blower.
Blower not plugged in.
Plug in blower.
Defective blower relay C2
Replace blower relay C2.
(1250-2000
only).
Defective fl ame sense relay.
Replace fl ame sense relay.
Defective variable freq. drive.
Replace variable freq. drive.
Blower malfunctioning.
Replace blower.
Unit does not spark
Incorrect spark gap or shorted
Properly adjust igniter gap or correct short.
igniter
lead.
Bad ground on fl ame sense module.
Check ground connections, adjust as
necessary.
Low air (blocked fl ue/inlet) condition.
• If conditon exists, check inlet, fl ue &
chimney for blockage.
• Check combustion air/ventilation
openings in space.
• Check inlet air fi lter, clean and replace
as
necessary.
Spark generator fault.
Check spark generator wiring.
Defective fl ame sense relay.
Replace fl ame sense relay.
TROUBLE-SHOOTING
PROBLEM
POSSIBLE CAUSES
REMEDIES
