Mr. Heater - PHP Heat Wagon LVF90A Service Manual

Mr. Heater

Diagnostic Safety Shutdown and
Troubleshooting
These instructions are applicable for MH75KT / HS75KT, MH125KT /
HS125KT, MH175KT / HS175KT, and MH210KT / HS210KT.
This heater is equipped with a diagnostic control board and flashing LED
error indicator. This flashing LED signals when there is a malfunction of a
monitored component. See the following dianostic guide for error signal and
brief description of the error.
PLEASE NOTE: The HS50K is not equipped with a diagnostic control board, but
the same causes and solutions do apply.
To use the troubleshooting section, look up the symptom you observe for the
possible causes. This section is based on the Heat Star and Mr. Heater prod-
uct manufactured by Mr. Heater and Enerco.
Symptoms:
• LED gives 1 flash Page 81.
• LED gives 2 flashes Page 81.
• LED gives 3 flashes Page 82.
• LED gives 4 flashes Page 82.
• LED gives 5 flashes Page 82.
• LED gives 6 flashes Page 83.
• LED is steady on (no flashes) Page 83.
80