Operational Problems - Proheat M80 Service Manual

3-40
3.3

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.
• Smoke from the exhaust
• Excessive raw diesel odor.
• Backfiring and coughing during the combustion process.
• Low heat output.
2. Coolant system.
• Short combustion cycles. The PROHEAT is turning on and off at very
short intervals.
• Low heat output in the vehicle system.
Steps 1 to 7.
3. Power system.
• Intermittent PROHEAT operation.
• PROHEAT continues to run when not switched on.
Go to page 3-4 to 3-15, Steps 1 to 7.
Go to page 3-25, Steps 1 and 2.
Go to pages 3-29 and 3-30, Steps 1 and 2.
Go to pages 3-4 to 3-15,
PROHEAT M-SERIES SERVICE MANUAL