Design Dynamics pfs vf-24p-mhd 사용자 설명서

www.fmiproducts.com

116986-01H

TRoUBlesHooTING

WARNING: Turn off heater and let cool before servicing. Only a

qualified service person should service and repair heater.

CAUTION: Never use a wire, needle or similar object to clean

ODS/pilot. This can damage ODS/pilot unit.

Note: All troubleshooting items are listed in order of operation.

POSSIBLE CAUSE

1. Switch in OFF position (mod-

ule gives long steady beep)

2. Bad batteries (If batteries

fail within 1 heating season,
see cause no. 8)

3. Ignitor electrode not con-

nected to ignitor cable

4. Ignitor cable pinched or

wet

5. Broken ignitor cable
6. Bad piezo ignitor
7. Ignitor electrode positioned

wrong or broken

8. Bad module

1. Gas supply turned off or equip-

ment shutoff valve closed

2. Bad batteries (If batteries

fail within 1 heating season,
see cause no. 9)

3. Control knob not in PILOT

position

4. Control knob not pressed in

while in PILOT position

5. Air in gas lines when in-

stalled

6. Depleted gas supply (pro-

pane/LP only)

7. ODS/pilot is clogged

8. Gas regulator setting is not

correct

9. Bad module

1. Inlet gas pressure is too

low

2. Wire disconnected from gas

control

3. Burner orifice(s) clogged

4. Bad module

OBSERVED PROBLEM

When

and

are

pressed at the same time,
there is no spark at ODS/
pilot

When

and

are

pressed, there is spark at
ODS/pilot but no ignition

Burner does not light after
pilot is lit

REMEDY

1. Push switch on valve to "–"

position

2. Replace batteries

3. Reconnect ignitor cable

4. Free ignitor cable if pinched

by any metal or tubing.
Keep ignitor cable dry

5. Replace ignitor cable
6. Replace piezo ignitor
7. Replace pilot assembly

8. Replace module

1. Turn on gas supply or open

equipment shutoff valve

2. Replace batteries

3. Turn control knob to PILOT

position

4. Press in control knob while

in PILOT position

5. Continue holding down

control knob. Repeat ignit-
ing operation until air is
removed

6. Contact local propane/LP

gas company

7. Clean ODS/pilot (see Clean-

ing and Maintenance, page
20) or replace ODS/pilot
assembly

8. Replace gas regulator

9. Replace module

1. Contact local natural or

propane/LP gas company

2. Reconnect leads (see Wir-

ing Diagram, page 24)

3. Clean burner (see Cleaning

and Maintenance, page 20)
or replace burner orifice(s)

4. Replace module