Generac Power Systems MAC 550F, Руководство пользователя

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Owner’s Manual for Flameless Air Heater 21
Troubleshooting
Digital Controller Status Messages
Problem Cause Solution
No/low heat condition
Incorrect heater setting (target tempera-
ture too low)
Adjust heater output
Access doors are open Close all access doors
Low HTF/hydraulic oil level
• Check level on tank sight
glass, adjust as needed
• Inspect HTF hoses for leaks
or loose fittings
• Check fluid for foaming
HTF/hydraulic oil filters clogged
Check restriction gauges/replace
HTF filters
Ducting too long for ambient conditions
Move unit closer to heat recipient if
possible
HTF pump drive sheared Contact Generac technical service
Message Cause
Engine Warming – Please Wait Engine coolant temperature < 140° F (38° C)
Engine Preheat Wait approximately ten seconds after heater power up
Engine is not ready – Check RPMs, Fuel Level or
Wait to Start
Engine RPM < 500
Fuel level < 10%
Wait to Start signal
Low Fuel Warning
Fuel level < 20%
• Fuel level notification appears on screen
Fuel level

16%
• Fuel level notification appears on screen
• Heat/fan load reduced to 50%
Fuel level

12%
• Fuel level notification appears on screen
• Open heat circuit and close scroll fan circuit
• Drop engine to idle
Fuel level

8%
• Fuel level notification appears on screen
• Engine shuts down
Check heater settings or connections, then Reset
on the Machine Overview
IFM controller detected a short or break in a sender
Heater is cooling down – Please wait
IFM controller detects heater is in cool down. ON button dis-
abled.
Engine is going to shutdown Fuel level

%
Engine Fault Shutdown
Low engine oil pressure
High engine coolant temperature
Engine overspeed
Heater Shutdown due to temperature, pressure
or level out of range
High hydraulic temperature
Low hydraulic pressure
Low hydraulic level