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Troubleshooting
Error
Code
Error
Location
Type
Name
Cause
Solution
Low chemical supply
temperature.
Use Jog Mode to recirculate
heated chemical back to
drum in cold conditions before
spraying. Chemical below
32°F(0°C) at startup.
System stored below
20°F(-7°C) causing slow
control valve operation.
Ensure ambient temperature is
above 20°F(-7°C).
Plugged filter in sight glass.
Indicated by consistent
low A and B temperature
alarms.
Clean or replace filter. To
replace filter in sight glass, see
Repair Sight Glass Filter, page
79
and order replacement filter
kit 24L922. To replace filter in
filter housing, see
Repair Filter
Housing Filter, page 80
and
order replacement filter kit
24T028.
Coolant debris stuck in
valve pilot hole or passages.
Inspect and clean control valve.
Repair or replace if necessary.
See
Replace Control Valve,
page 77
.
No coolant flow.
Check coolant level. Check for
coolant flow in sight glass.
Ensure that the circulation
pump has 240 VAC. If not,
replace the circulation pump.
See
Replace Circulation Pump,
page 78
.
(T8AE only) J6 connector on
load center “Heat Valves”
location is not centered.
Reconnect J6 connector on
load center in centered location.
Bad valve solenoid coil.
Turn on the manual valve
switch, on the load center, and
see if the solenoid shifts. For
coolant valve LED identification,
see
Load Center Diagnostics,
page 37
. If solenoid does not
shift, replace solenoid coil. See
Replace Control Valve, page
77
.
Valve solenoid not getting
12 VDC electrical signal.
Verify 12 VDC signal is at the
valve solenoid coil connector.
All three valves are normally
closed withpower removed.
See
Electrical Schematics,
page 134
for valve wiring
harness identification diagram.
T8AE
T8BE
Heat
Exchanger
ALARM
Temperature Not
Rising Hx A (T8AE)
Temperature Not
Rising Hx B (T8BE)
Bad load center.
Follow
Load Center
Diagnostics, page 37
. If neces-
sary, replace load center. See
Replace Load Center, page 64
.
Continued on next page.
26
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Summary of Contents for Reactor E-30i
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