CleaverBrooks CBT - Page 83

750-382
CBT
5-15
Troubleshooting
Inspect high-temp
wire-to-probe connec-
tions in boiler water
column connection box
(Warrick)
Tighten jam nuts on
any loose probe con-
nections.
If slight corrosion pres-
ent, remove terminal
connection, clean
crimp-on ring termi-
nal, re-crimp, and
replace with copper
flat washer between
ring terminal and jam
nut, tightening jam nut
to secure ring terminal.
Apply dielectric grease
to terminal connec-
tions.
If severe corrosion
present, cut-off crimp-
on ring terminal, strip
wire end, crimp-on
new high temperature,
SS ring terminal, reat-
tach with copper flat
washer between ring
terminal and jam nut.
Apply dielectric grease
to terminal connec-
tions.
If all connections
secure and clean, see
Possible Cause B.5.
Dirty water level
probes
B.5. Dirty water level
probes
Check Warrick board
"dirty probe" LED. If off,
remove associated
probe wire from War-
rick DF board and
check continuity
between probe and
panel ground.
If no continuity, remove
probe. Visually inspect
and clean or replace.
Secure all wiring con-
nections and coat wire
terminal ring connec-
tion in probe head with
dielectric grease.
Check feed water treat-
ment/softening. Per-
form water softening
and chemical treat-
ment as necessary.
Problem Display Message Possible Cause/Symp-
tom
Diagnostic Check Corrective Measures