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catmastertech, Technician
Category: Construction and Road Equipment
Satisfied Customers: 2366
Experience:  Field service technician for CAT 19 years.
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Just lost fwd/rev on a 04 th220b Have flashing red! Icon on

Customer Question

Just lost fwd/rev on a 04 th220b
Have flashing red! Icon on dash even after cycling master switch
Submitted: 2 years ago.
Category: Construction and Road Equipment
Expert:  catmastertech replied 2 years ago.


Please post the full machine serial number.

Have you ever retrieved fault codes from the dash? If so, did you check for codes?

Is the book icon showing in the hourmeter window?