User's Manual

User Handbook L-RU Revision C
CONFIDENTIAL
PROPRIETARY
Reg. No.: User Handbook 1100182-C.DOC Page 26 of 29
System Checklist
The safety instructions must be observed (see notes below the table)!
The following troubleshooting refers to specific alarm LED indications on MU and RU in a
ClearFill
®
Space1 system environment. Please follow the procedures for the troubleshoot-
ing in the prescribed order. For guidance the column “Symptoms” gives specific LED
status information combinations at MU and RU.
Symptoms Reason Procedure
• MU Summary OTx
LED is red
One or more optical
transmitter is inactive
Please contact RFS customer ser-
vice for repair or replacement of RU
• MU Link LED to
RU is red
No optical signal
1. Check the optical connectors of
the inactive link for fastening or
damage
2. Check the optical cable between
MU and RU for damage
3. Clean with special equipment the
ferrules at the optical connectors
4. Check the following variety of
troubleshooting, described below
No optical signal in UL
1. Check the optical connectors of
the UL (on the MU and RU site) for
fastening or damage
2. Check the optical cable in UL for
damage
• MU Link LED is
red / RU Monitor-
ing LED is green
OTx of MU is inactive
(in this case summary
OTx LED is red as well)
3. Please contact RFS customer ser-
vice for repair or replacement of
MU