Procom ML100HPA User Manual

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

    WARNING:  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.

When  ignitor  button  is  pressed  and
control knob is pressed in and turned to
the PILOT position, there  is  no  spark
at  ODS/pilot.

When  ignitor  button  is  pressed and
control knob is press in and turned to
the PILOT position, there  is  a spark
at  ODS/pilot  but  no ignition.

ODS/pilot    lights   but flame   goes out
when   control   knob is released.

1.   Ignitor electrode is positioned
      wrong.
2.   Ignitor electrode is broken.
3.   Ignitor electrode is not connected
       to  ignitor cable.
4.   Ignitor cable  is pinched  or wet.

5.   Broken ignitor cable.
6.   Bad piezo ignitor.

1 .   G a s   s u p p l y     t u r n e d     o f f     o r
     equipment  shutoff  valve is closed.
2.  Control  knob  not fully  pressed  in
     while  pressing  ignitor  button
3.  Air  in  gas  lines  when  installed.

4.  ODS/pilot  is  clogged.

5.  Control  knob  not in  PILOT  position.
6.  Gas regulator setting  is  not  correct.
7.  Depleted  gas  supply.

1.   Control knob is not fully pressed
       in.
2.   Control  knob  is not  pressed  in
       long  enough.
3.   Equipment  shutoff  valve  is not  fully
      open.
4.   Thermocouple   connection   loose
      at  control  valve.

5.   Thermocouple   damaged.
6.   Control valve   damaged.

1.   Replace ignitor.

2.   Replace ignitor.
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.

1.   Turn    on    gas    supply    or   open
      equipment  shutoff  valve.
2.  Fully   press   in   control   knob
      while  pressing  ignitor  button.
3.   Continue   holding    down    control

knob.  Repeat  igniting  operation

      until  air  is  removed.
4.   Clean  ODS/pilot (see Cleaning  and
      Maintenamce, Page 13)  or  replace
     ODS/pilot  assembly.
5. Turn control  knob to  PILOT  position.
6.  Replace  gas  regulator.
7. Contact  local  prapane/LP  gas

company.

1.   Press in control knob fully.

2.   After  ODS/pilot lights, keep control
      knob  pressed  in  30  seconds.
3.   Fully  open equipment shutoff valve

4.  Hand   tighten   until   snug,   then
      tighten 1/4  turn more.

5.   Replace   thermocouple.
6.   Replace  control  valve.

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