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SMD Series Dehumidifying Dryers Page 43
4.) If the OMRON controller faults, the optional redundant high
temperature safety device opens, or the process heater safety
switch opens, a process heater fault is generated. “HIGH
TEMP” is displayed on the relay screen. The alarm light is
activated. The process heater, regen heater, and process/regen
blower are turned off. Pressing the ALARM RESET
pushbutton will deactivate the alarm horn and light.
Turn the Off-On-Start switch to the START position to restart
the dryer. If the fault condition still exists, the dryer will not
restart.
5.) When no fault conditions exist, the display reads “SYSTEM
NORMAL”.
6.) When a dew point fault is generated by the optional dew point
controller, the alarm light will activate. The alarm light will
flash, indicating a non-critical fault. Press Alarm Reset to
deactivate the alarm until the next dew point fault occurs.
7.) The dryer is shut off by turning the control power switch to the
OFF position.
8.) Refer to Schematic drawing A0566087 enclosed in the control
enclosure.