RVMP Flex Power 4000i - Service Manual

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Read this manual carefully before operation.

This manual includes important guidance for safety operation.

Authorized for installation ONLY in Recreational Vehicles prepped by the RV Manufacturer with fuel lines and a compartment

for permanent generator installs. Do NOT install in any other application without consulting a qualified professional.

RVMP FLEX POWER

4000i & 5500i

INSTALLED GENERATORS

SERVICE MANUAL

®®

Main Page

Table of Contents2
Introduction4
Safety Precautions4
Troubleshoot Issue #1:Generator Tries to Start, some Lights Illuminate on the Control Panel, but Generator will Not Start6
Check Battery6
Check Oil Level6
Check Spark Plug Circuit for Adequate Spark7
Check Spark Plug for Damage9
Check Proper Function of Fuel Module, ECM, and Inverter on 4000I10
Electrical Harnesses10
Fuel Module10
Engine Control Module (ECM)10
Inverter10
No Reaction from Throttle Motor10
No 120V Output10
Inverter Cooling Fan Does Not Spin11
Green READY Light Never Comes on11
Check Proper Function of Fuel Module, Starter, and Inverter on 5500I11
Electrical Harnesses11
Fuel Module11
Starter11
Inverter12
Pull Start Test12
No Reaction from Throttle Motor12
No 120V Output12
Inverter Cooling Fan Does Not Spin12
Green READY Light Never Comes on12
Check for Restrictions to Gasoline Line12
Check for Vacuum Lock in the Gasoline Line13
Check Housing Temperature Sensor Disc13
Check Gasoline Solenoid on Carburetor14
Check Alternate Fuel Source14
Check Fuel Pump15
Check Fuel Selection Switch15
Troubleshoot Issue #2:Generator Starts Sometimes, but will Not Start Other Times (Intermittent Starting)15
Check Battery15
Check Oil Level15
Check Electrical Grounds16
Battery Ground Cable Connection16
Ground Posts16
Grounding Jumper Wire for Mounting Rack18
Troubleshoot Issue #3:Generator Completely Dead, Does Not Attempt to Start and no Lights Illuminate on Control Panel19
Check Battery19
Check Fuses20
Small Fuel Module Fuse20
Larger Inverter Fuse for 4000I20
Larger Inverter Fuse for 5500I20
Check Throttle for Proper Operation20
Inspect Wire Harnesses20
Check for a Bad Stepper Motor20
Check for Bad Inverter21
Check Needle Jet for Dirt or Obstructions22
Check Proper Setting on Altitude Adjustment24
Clean Old Gas or Buildup from Carburetor25
Drain Old Gasoline25
Run with LP25
Clean Carb with Sea Foam25
Air Filter Inspection and Cleaning25
Check for Gasoline Vaporization Conditions26
Check for Proper LP Regulator Pressure26
Check for Low LP26
Troubleshoot Issue #5: Generator Starts but Only Runs for a few Minutes, then Shuts down26
Check for Proper Ventilation26
Check for Gasoline Vaporization Conditions28
Check for Proper LP Regulator Pressure28
Check for Restrictions to Gasoline Line28
Check for Vacuum Lock in the Gasoline Line29
Troubleshoot Issue #6: Generator Starts and Runs but There's no Power Output29
Check for Electrical Overload29
Check for Bad Inverter29
Instructions for Replacing Fuel Pump30
Instructions for Replacing the Fuel Filter35
Instructions for Replacing the Carburetor37

RVMP Flex Power 4000i - Service Manual

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