5-13

 

 

Section 5 - Troubleshooting

 

 

Cab

 

 

 

Cab

 

 

 

 

 

Problem

Possible Cause

Correction

 

 

 

 

 

 

Dust enters the cab

Improper seal around filter element.

Check seal condition.

 

Plugged filter.

Clean or replace filter.

 

Defective filter.

Replace filter.

 

Excessive air leak(s) in cab floor,

Seal air leak(s).

 

windows, or door.

 

 

 

 

 

 

 

Pressurizer air flow low

Plugged filter.

Clean or replace filter.

 

Heater core or evaporator core

Contact Buhler Versatile dealer.

 

plugged.

 

 

 

 

 

 

 

Cab windows fog up

Excessive moisture in cab air system.

Position air vents toward windows.

 

 

Use air-conditioner system and

 

 

recirculation control along with the

 

 

heating system to dehumidify cab air.

 

 

Check air-conditioner drain hoses for

 

 

restriction.

 

 

 

 

 

 

Heating system does not

Defective engine thermostats.

Contact Buhler Versatile dealer.

heat

Heater core plugged.

Contact Buhler Versatile dealer.

 

 

Heater valve shut off at engine.

Turn on heater valve at engine and

 

 

adjust temperature control knob to

 

 

the heat position.

 

Cab heater valve not functioning.

Contact Buhler Versatile dealer.

 

 

 

 

 

 

Air-conditioner does not

Condenser plugged.

Clean radiator, oil cooler, and

cool

 

condenser.

 

Low refrigerant.

Check sight glass for bubbles.

 

 

Contact your Buhler Versatile dealer.

 

Compressor belt slipping or damaged.

Check belt tension and belt condition

 

Heater control turned on.

Turn temperature control knob fully

 

 

counterclockwise for maximum

 

 

cooling. Shut off heater hose valve

 

 

at engine.

 

Fuse or relay defective.

Replace fuse or relay.

 

 

 

435/485/535