685346
49
Zoom out
Zoom in
Previous page
1/68
Next page
33722 D MMG130DI4/175DI4/205DI4 Operating Manual 43
Section 5 - Troubleshooting
GENERAL TROUBLESHOOTING
Some of the more common problems are listed in the table below. This information is intended to be a check or
verification that simple causes can be located and fixed. It does not cover all types of problems. Refer to the OEM
engine operator’s manual for additional troubleshooting information. Procedures that require in-depth knowledge or
skills should be referred to a trained technician.
Table 1 - General Troubleshooting Guide
Problem Possible Cause Solution
Low Fuel Level Shut-
down
Low fuel level
Unit not level
Fuel tank leaking
Damaged fuel sender or
wiring
Check fuel level in LCD window of controller.
Verify unit is sitting level to ensure an accurate reading.
Check tank for leaks.
Check for continuity between sender and engine controller.
(Refer to DC wiring diagram.)
Low Oil Pressure
Shutdown
Low oil level
Oil leaking from engine
Oil pressure sender
Check oil level on dipstick. Add oil, if needed.
Visually inspect the engine for leaks. Restart unit and verify
loss of pressure. Shut down immediately if pressure does
not reach 5 psi (34 kPa) within five seconds.
See the OEM engine operator’s manual to identify correc-
tive action.
Low Coolant Level
Shutdown
Low coolant level
Coolant hoses leaking
Engine block or water
pump leaking
Allow engine to cool, then check coolant level in radiator.
Add coolant if needed.
Inspect hoses for leaks. Repair or replace as necessary.
Visually inspect for leaks. Verify no coolant has mixed with
the engine oil (oil will appear milky). See the OEM engine
operator’s manual for additional information.
High Coolant Tem-
perature Shutdown
Low coolant level
Blockage in radiator
Leakage in coolant
hoses, engine block, or
water pump
Add coolant if needed. Allow engine to cool, then check
coolant level in radiator. Restart engine and check coolant
temperature (on controller). Stop engine immediately if
coolant temperature is 210°F (99°C) or more.
Check radiator shroud and ducting for blockage and
remove any foreign matter.
Inspect for visible leaks. Check tension of water pump ser-
pentine drive belt.
Remove load on generator and restart engine. Check cool-
ant temperature and shut engine down immediately if it
starts to overheat. See the OEM engine operator’s manual
for additional information on engine overheating.
49


Need help? Post your question in this forum.

Forumrules


Report abuse

Libble takes abuse of its services very seriously. We're committed to dealing with such abuse according to the laws in your country of residence. When you submit a report, we'll investigate it and take the appropriate action. We'll get back to you only if we require additional details or have more information to share.

Product:

For example, Anti-Semitic content, racist content, or material that could result in a violent physical act.

For example, a credit card number, a personal identification number, or an unlisted home address. Note that email addresses and full names are not considered private information.

Forumrules

To achieve meaningful questions, we apply the following rules:

Register

Register getting emails for Generac MMG175DI4 at:


You will receive an email to register for one or both of the options.


Get your user manual by e-mail

Enter your email address to receive the manual of Generac MMG175DI4 in the language / languages: English as an attachment in your email.

The manual is 4,87 mb in size.

 

You will receive the manual in your email within minutes. If you have not received an email, then probably have entered the wrong email address or your mailbox is too full. In addition, it may be that your ISP may have a maximum size for emails to receive.

The manual is sent by email. Check your email

If you have not received an email with the manual within fifteen minutes, it may be that you have a entered a wrong email address or that your ISP has set a maximum size to receive email that is smaller than the size of the manual.

The email address you have provided is not correct.

Please check the email address and correct it.

Your question is posted on this page

Would you like to receive an email when new answers and questions are posted? Please enter your email address.



Info