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Rain Master Irrigation Systems DX2 User Manual

Page 206 Chapter 10: Troubleshooting

030 - FM - Communications Failure

Figure 171: Warning 030 -FM Hardwire Comm Failure

This warning is generated at the submaster when using the Flow

Max feature. It indicates that hardwire communications were

lost or interrupted between one or more satellites which are Flow

Max participants. The warning is immediately followed by a

STOP WATER warning. This means that all irrigation at the

time the communications failure occurred will be terminated.

Action:

Step 1 Hardwire communications failures may be caused by

any of the following:

• Power failures

• Improper hardwire connections at the

communications board of any Flow Max

participant

• Broken or severed communications cable

Step 2 Starting with the first satellite which is connected to

the submaster, examine the satellite address to verify

address XX-01 appears in the LCD display (Address

display should appear every seven seconds). If there

is no address and the controller is on, then a problem

related to the communications cable or its

connections has occurred somewhere between the

submaster and this unit.

If the address is OK, then examine the satellite

warning list to see if there are any related warning

messages, e.g. momentary power failure. If the

address is OK and there are no related warnings,

then proceed to the next satellite and troubleshoot as

WARNING = FM COMM FAIL

05/30/96 04:45PM

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Evolution DX2 series Manuale Utente Pagina 46