Symptom
What to check:
No Heat & power light is off
•
Incoming power.
•
Shop Disconnect, Fuses, or breakers.
•
Power cord and it
’
s connections
No Heat & power light is on
•
Check for burned out heater
•
System fuses on control panel
•
Note operation of pilot lights, Call Vastex
Heat too high
•
Note operation of pilot lights
(Relay can stick on or off)
Heat too low
•
Note operation of pilot lights
(Relay can stick on or off)
Temperature fluctuates
•
Check sensor location
•
Clean sensor connections
•
Eliminate Wind or Draft in shop
•
Note operation of pilot lights, Call Vastex
Belt Stopped or is erratic
•
Check plug at motor power cord
•
Check sprocket and chain
•
Check output voltage at plug (90VDC)
•
Check for obstruction in belt path
•
Check belt tension
•
Check brushes on motor (Optional HD mo-
tor)
Troubleshooting
Controller Error Codes
Symptom
Cause (s)
Solution (s)
5 b E r
Sensor break error
Replace RTD or sensor.
Use manual mode operation
L L E r
Process display beyond the low
range set point
Re
-
Adjust
LL
,
t
value
H
L E r
Process display beyond the high
range set point
Re
-
adjust
H
L
,
t
value
A
H
E r
Analog hybrid module damage
Replace module. Check for
outside source of damage such
as transient voltage spikes
A t E r
Incorrect operation of auto tune
procedure Prop. Band set to 0
Repeat procedure. Increase
Prop. Band to a number larger
than 0
o P E r
Manual mode is not allowable for an
ON
-
OFF control system
Increase proportional band
C
5 E r
Check sum error. Values in memory
may have changed accidentally
Check and reconfigure the
control parameters
Pg. 15
