DeltaTherm IR Cure Module
Revision B
/
February 2020
Page 36 of 41
Fault Diagnosis
Operation
Other Symptoms
Possible Cause
Corrective Action
The machine is ON.
And the operator
interface does not
have power
Cables are loose or not
connected
Examine the cable connections
Correct any loose connections
The electrical
enclosure does
not have power
The electrical enclosure is
open and the safety switch
is in the open position
Close the electrical enclosure
The fuse is blown
Examine the fuse in the PLC
power supply and correct
Power On button
does not stay on
Safety relay failed
Examine the relay and replace if
necessary
The bulb is blown
Examine the bulb and replace
A door is open
Close all doors
The emergency stop is
engaged
Disengage the emergency stop
Board does not
transfer to or from
adjacent station
The SMEMA connection is
broken
Examine the cable connections
Correct any loose connections
A module in the system is
turned off
Turn on the inactive module
IR Panels do not
operate or they fail
The panel temperature is
set below room
temperature
Change the setpoint
The fuse is blown
Examine the related fuses in the
electrical enclosure
The solid-state relay
failed
Replace the relay
The temperature is out of
range
Increase the deviation
The module is over-
temperature.
Decrease the setpoint
Exhaust fan failure
The fuse is blown
Examine and correct the related
fuses
Figure 24: Fault Diagnosis