Operational Problems - Proheat M50 G-II PCM Service Manual

PROHEAT M-SERIES G-II PCM SERVICE MANUAL
4.3

OPERATIONAL PROBLEMS

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 4-5 to page 4-33, 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 4-24, 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 4-5 to page 4-33,
Steps 1 to 7.
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