Troubleshooting Guide - Master MH-16-TTC User's Manual & Operating Instructions

Problem
Unit will not light.
Burner will not stay lit
when gas valve plunger is
released
Excessive flames coming
out of burner, not glowing
red. Flames flashback /
burn inside the mixing
tube.
Pilot light too long, burner
will not stay lit.
© 2021 Pinnacle Climate Technologies, Inc.
WHILE BURNING OR WHILE CONNECTED

TROUBLESHOOTING GUIDE

Possible Cause(s)
1. Valve on propane cylinder
closed.
2. Propane cylinder empty.
3. Regulator not in
4. Defective regulator
1. Tip switch activated or
defective.
2. Wire terminal connections
unplugged.
3. Defective thermocouple.
4. Defective MPU.
1. Air inlet holes blocked or
covered.
2. Burner screen damaged.
3. Gap between burner screen and
burner can.
1. Low oxygen in space
NEVER LEAVE HEATER UNATTENDED
TO A FUEL SOURCE
1. Open cylinder valve by turning
COUNTERCLOCKWISE.
2. Refill cylinder.
(HI) position. 3. Turn regulator to
4. Replace regulator assembly.
1. Place heater in upright position
or replace tip switch.
2. Check wiring connections.
3. Replace thermocouple.
4. Replace MPU.
1. Clear any obstructions
2. Replace Burner screen.
3. Replace or repair burner head
assembly.
1. Ventilate area, bring in fresh air.
Propane Tank Top Heater User's Manual
14
Solution
(HI) position.