CleaverBrooks Master Panel 8, Operation Manual

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Section 4 — Troubleshooting Master Panel 8
4-2 Part No. 750-375
A. GENERAL
B. ETHERNET TROUBLESHOOTING
To troubleshoot ethernet communication problems requires
the following:
• PC with Ethernet ready connection
• Regular Ethernet cable
To proceed:
1. On the desk top click “Start”
2. From “Settings” select “Network and Dial-up Connections”
Table 4-1. Troubleshooting
Problem Possible Cause Recommended Action
Boiler unavailable on the
Master Panel overview screen. CB Master Lead/Lag not selected On Configuration Screen #2 toggle CB Master Lead/
Lag to YES (green)
Rem/Llag not selected at boiler On boiler Firing Rate screen, select Rem/Llag
Active alarms • Correct alarm condition
• On Alarm History screen acknowledge and reset
alarms
Boiler ready input is off (see I/O
list) Check interconnect wiring between boiler and
master panel
Boiler ready output is off Put burner switch on. Make sure no alarms are
present at the boiler.
Burner does not go to the
correct firing rate Boiler is in Warm-Up or Hot
Standby Wait for boiler to warm up.
Boiler stays at maximum firing
rate. Boiler analog input incorrectly
wired Check boiler input wiring.
“Remote Modulation Signal
Failed” alarm at the boiler • Analog input not wired
• Wrong polarity • Connect input
• Check polarity
“Boiler Power Failure” alarm on
the Master Panel Jumper power input or neutral is
missing Install jumper
“Ethernet Communication
Failure” alarm • Wrong boiler processor
selected
• Boiler I/P address not set
• Cable problem
• Select correct processor on Master Panel
Configuration screen
• Set I/P address
• Check cables
Note: See also ETHERNET TROUBLESHOOTING
below.
Steam pressure (water
temperature) different from
gauge reading Improper maximum pressure/
temperature selection Correct max pressure/temperature setting on Master
Panel Configuration screen.