Operational problems 4.3 – Proheat M80 User Manual
Page 73

PROHEAT G-I PCM SERVICE MANUAL
4-42
Problems with the PROHEAT and/or vehicle application that are not
specifically defined but are observed during the operation of the PROHEAT
and or vehicle coolant system. These fall into three categories:
1.
Fuel Supply/Combustion. Go to page 4-3 to page 4-25, Steps 1 to 7.
•
Smoke from the exhaust
•
Excessive raw diesel odor.
•
Backfiring and coughing during the combustion process.
•
Low heat output.
2.
Coolant system. Go to page 4-27, Steps 1 and 2.
•
Short combustion cycles. The PROHEAT is turning on and off at very
short intervals.
•
Low heat output in the vehicle system. Go to page 4-3 to page 4-25,
Steps 1 to 7.
OPERATIONAL PROBLEMS
4.3