TroubleshootingErrorCodeErrorPositionType Name Cause Solution
Low chemical supply
temperature.
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).
Pluggedfilter in sight glass.
Indicated by consistent
low A and B temperature
alarms.
Clean or replace filter. See
system repair manual.
Coolant debris stuck in
valvepilot hole or passages.
Inspect and clean control valve.
Repairor replace if necessary.
See system repair manual.
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 system repair manual.
(T8AEonly) J6 connector on
load center “Heat Valves”
location is not centered.
Reconnect J6 connector on
loadcenter in centered location.
Bad valve solenoid coil. Turn on the manual valve
switch(MV), on the load center,
and see if the valve solenoid
shifts. For coolant valve LED
identification,see system repair
manual. If solenoid does not
shift, replace solenoid coil. See
system repair manual.
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 with power removed.
See system repair manual
for valve wiring harness
identificationdiagram.
Bad load center. Red, blue, and green LEDs
should light up on load center
board. If not, replace load
center. See system repair
manual.
T8AE
T8BE
Heat
Exchanger
ALARM Temperature Not
Rising Hx A (T8AE)
Temperature Not
Rising Hx B (T8BE)
A and B heat
exchanger RTD cables
cross-connected to splitter
cable.
SeeSystem Repair Manual for
correct connection.
86 3A1705J