DriSteem Vapor-logic3, Инструкция по установке и эксплуатации

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64
Operation
Operation:
Troubleshooting guide
Troubleshooting guide.
Problem
number Problem
Possible cause
Action
19
20
21
EEPROM fault
Flue fault
Burner No. fault
• Internal program
changed
(VAPOR-LOGIC
3
detected a change
from its previous
program check)
• The combustion air
damper is incorrectly
wired or has failed to
open.
• The power vent
pressure switch is
incorrectly wired or
the power vent has
failed to start.
• No gas supply to unit
• Gas valve is off or
there is no power to
the valve.
• Broken ignitor
• Gas valve/ignitor/
sensing electrode is
out of sequence
• Gas valve outlet
pressure is too low.
• Blower inlet is dirty
or obstructed.
• Consult DRI-STEEM for
reprogramming instructions.
• Check for proper combustion air
damper wiring.
• Check for proper power vent wiring.
• Verify that gas service valve is on and
receiving minimum pressure to
manifold per rating plate.
• Verify that valve is in “on” position
and that there is power to the valve.
• Verify that ignitor glows.
• Verify wire connections to these
components.
• Verify out pressure is set per rating
plate.
• Clean inlet and check for obstructions.
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VL3-IOM-0301-METRIC.pdf 68 11/19/2009 9:22:40 AM