Troubleshooting
3A2797ZAA
49
Troubleshooting
Before performing any troubleshooting procedure:
on page 43.
2. Turn main power OFF.
3. Allow equipment to cool.
Try the recommended solutions in the order given for
each problem, to avoid unnecessary repairs. Also,
determine that all circuit breakers, switches, and con
-
trols are properly set and wiring is correct before
assuming there is a problem.
Light Tower (Optional)
Errors include advisories, deviations, or alarms, so
green will only be on when none of these occur. A yel
-
low light can be on at the same time as red (flashing or
solid on) when an advisory exists at the same time as a
deviation or alarm.
Signal
Description
Green on only
System is powered up and there are
no error conditions present
Yellow on
An advisory exists
Red flashing
A deviation exists
Red on
The system is shut down due to an
alarm occurring.
PROBLEM
CAUSE
SOLUTION
General
Display Module completely
dark
No Power
Verify AC Power switch is ON
Thrown Breaker
Check Machines Breakers and Reset
Loose Connection
Tighten 5-pin cable on Advanced Display Module
Bad Display Module
Replace Advanced Display Module
No or incorrect amount of
material dispensed from
either side
Ball Valve closed (if Installed)
Open tank ball valve.
Tank Empty
Add fluid
Tank Clogged
Clean tank
Air In Material
Prime the machine
Significant material leaking
from pump seal
Pump shaft worn and/or shaft seal
worn
Remove pump shaft assembly and reinstall read
pump rebuild kit
Material dispensed not cor
-
rect weight
Specific gravity of one or more of the
two materials has changed since cali
-
bration
Run calibration
Check valve malfunction
Remove check valve; clean or replace as necessary
Piston worn or broken
Replace Piston
A (Red) and B (Blue) Primary Heaters
Control of primary heat is
abnormal; high temperature
overshoots
Dirty RTD connection
Unplug and re-plug RTD wires.
RTD not contacting heater element
Loosen ferrule nut, push in RTD so tip contact heater
element. Holding RTD tip against heater element,
tighten ferrule nut 1/4 turn past tight.
Failed heater element
Replace
Signal failure from RTD
Check connections
RTD wired incorrectly
Check connections. Power up zones one at a time
and verify that temperature for each zone rises.
Hose System
Material heats but heats
slower than usual or it does
not reach temperature
Ambient temperature is too cold
Use auxiliary hose system.
FTS failed or not installed correctly
Check FTS
