ZF CruiseCommand 785CE, Installation And Troubleshooting Manual

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TROUBLESHOOTING TRAIN-156 Rev.B 11/01
Page 16
• An open or high resistance connection between the Control Head
and Processor.
• Out of calibration Control Head
• A defective Control Head
The exact cause of the malfunction can be found as follows:
A) Check the Processor’s Display for error messages. Most likely, one
of error messages 13 thru 28 will be shown. The exact number
shown depends on which remote station is experiencing the prob-
lem and whether the Command Voltage was too high or too low.
B) To further isolate the cause, enter the Diagnostic Menu as outlined
in Section 1.4.
C) Depress the Up or Down (Scroll) Arrow Push-button until the
appropriate remote station is shown. The appropriate remote sta-
tion can be identified by the position of the decimal points. Station
1 has no decimal point after the first digit to the far right. The
remaining three digits all have decimal points. If the digit to the far
left had no decimal point following it, but the remaining three did,
this would represent Station 4.
D) The examples above are shown with no Control Heads connected to
any remote stations. When a Control Head is connected, the appro-
Figure 13: Display Stations Example