Hayward HL32950VSP VS Omni Residential Troubleshooting Guide - Page 34

Alarms: Comm Loss, Smart Relay

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4. Alarms: Comm Loss - Smart Relay Comm Loss - Smart Relay Problem solved Section B Clear DDT & power cycle Problem solved 34 Inspect cable & connection Are wires YES free of damage? NO YES Replace cable HLX485100, did the error clear? NO Are any LEDs lit YES on the Smart Relay? NO Does the Smart YES Relay have line power? NO Go to Section B Replace Smart Relay: HLX485RELAY Resolve at breaker Does the error still persist? NO Backup config. YES Isolate RS485 & verify Smart Relay wiring YES Did the Error Clear? NO Did the error clear? NO Reset system to factory default & reprogram YES Problem is related to RS485 wiring or equipment Replace Smart Relay: HLX485RELAY

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34
Comm Loss
–
Smart Relay
Inspect cable
& connection
Are wires
free of
damage?
Section B
YES
NO
YES
Are any LEDs lit
on the Smart
Relay?
YES
NO
NO
Does the Smart
Relay have line
power?
4. Alarms: Comm Loss
–
Smart Relay
Replace cable
HLX485100
, did
the error clear?
YES
Problem
solved
NO
Go to
Section B
YES
Replace
Smart Relay:
HLX485RELAY
NO
Resolve at
breaker
Clear DDT &
power cycle
Does the
error still
persist?
Problem
solved
Isolate RS485 &
verify Smart
Relay wiring
Did the error
clear?
YES
Problem is
related to
RS485 wiring or
equipment
NO
Reset system to
factory default &
reprogram
YES
NO
Replace
Smart Relay:
HLX485RELAY
Backup
config.
Did the Error
Clear?