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    Technical Support 

Subject 

RAPTAIR-MF Error Codes and Symptoms 

 

Document 

Version 

Department 

Revision Details 

Revised by 

Tech 

Engineering 

Implemented 

EXT-MF-015 

Tech 

Update Systems affected 

MSP 

N/A 

N/A 

25 June 2018 

 

Page 

5

 of 

7

 

Knowledge Base

www.kb.vmacair.com

 

Email

[email protected] 

Web: 

www.vmacair.com

  

Technical Support: 

1(888)241-2289

  

Toll Free:

1(800)738-8622

  Fax: 1(877)740-3202 

 

Trouble Shooting Table

 

 

Symptom

 

Possible Cause

 

Corrective Action

 

Frequent relief valve 

operation 

Pressure control line plugged 
or frozen 

Remove and clear the line 

System still at high pressure 

Wait for system blow-down or 
bleed off all system pressure 

Defective relief valve 

Replace the valve 

Compressor does not run 

High system pressure 

system will not start with 
more than 10 psi system 
pressure 

High oil temperature 

See “frequent over-
temperature shut-

down” 

Frequent over-temperature 

shut-down 

Low oil level 

Check oil level with 
equipment on level ground 

Restricted oil lines  

Check for kinked or pinched 
lines 

Plugged oil filter 

Replace oil filter 

Cooler not functioning or 
plugged 

Replace or clean oil cooler 

Engine cooling system failure 
(high engine temperature) 

Correct problem 

High ambient temperatures 

Reduce duty cycle 

Oil temperature sensor failure  Replace if defective 

Excessive oil in the air 

Coalescing separator failure 

Replace element 

Clogged scavenge line 
screen 

Clean or replace 

High oil level 

Check oil level with equipment 
on level ground 

Operating angle in excess of 
15 degrees from horizontal 

Reduce operating angle 

Air operated equipment is 
faulty, or not correctly 
connected to supply valve 

Test air operated equipment 
for proper operation and 
connect to supply valve 

Incorrect start-up/ shutdown 
procedures 

Observe start-up/ shutdown 
procedures detailed in the 
Owner’s Manual 

Objectionable noise level 

Excessive gear wear 

Replace gearbox assembly 

 

 

 

Summary of Contents for RAPTAIR-MF

Page 1: ...NOT start the compressor until the error is cleared When an error is present the WARNING LED will flash on off and the screen will display ERRORS DETECTED followed by the following list of errors The...

Page 2: ...888 241 2289 Toll Free 1 800 738 8622 Fax 1 877 740 3202 Name __________________________ Phone ______________________ Company _______________________ Email Fax ____________________ Date _____________...

Page 3: ...ity of a plug 12 AIR PRESS SIGNAL VOLTAGE LOW Low voltage reading on the air pressure transducer 13 AIR PRESS SIGNAL VOLTAGE HIGH Low voltage reading on the air pressure transducer 14 AIR PRESS SIGNAL...

Page 4: ...E TOO LOW The battery voltage is below threshold for 5 seconds see Section 7 7 for threshold adjustment 46 ENGINE RESTART DUE TO COLD The engine has auto restarted due to the low internal temperature...

Page 5: ...ature shut down Frequent over temperature shut down Low oil level Check oil level with equipment on level ground Restricted oil lines Check for kinked or pinched lines Plugged oil filter Replace oil f...

Page 6: ...able parameters will reset to factory settings Pressing ENTER on this screen will display CANCEL Pressing NEXT will show CONFIRM RESET Pressing BACK will display CANCEL again Select the desired option...

Page 7: ...8 8622 Fax 1 877 740 3202 Setting Description Adjustment Default Allow Low Battery Restart In Standby allow the engine to restart based on low battery level Enabled Disabled Enabled Battery Restart Lo...

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