User guide

6-10 l Troubleshooting
Alarms
• Shutdown (A#): The dryer has automatically shut down because it has detect-
ed a serious problem that could damage your material or dryer.
• Passive (P#): The dryer continues to operate, but warns of a problem that could
prevent correct drying of your material. If ignored, this problem could lead to a
condition that will shut down the dryer.
Problem
A38 - Phase Error (Option
al) - One of the three power
wires is connected wrong.
A39 - EEProm Write Error
A48 & P22 -
Aftercooler/Intercooler Loop
Break (Optional) - Indicates
return air temperature is not
moving towards the setpoint
when flow control option is
installed.
Possible cause
One of the three power wires are out of
phase.
A fuse has blown.
Phase detection board has failed.
There is loose wiring between the phase
board and the control board.
Internal control board problem.
No water to aftercooler/intercooler.
Solution
Switch the position of two of the incom-
ing lead power wires at the dryer.
Check and replace the fuse.
Replace the phase detection board.
Make sure wires are correct and secure.
Replace the control board.
Turn on water supply.
Ensure flow control valve is function-
ing properly.