Tr o u b l e s h o o t i n g l
6-25
6
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Passive Alarms
If an alarm occurs, a red dialog box is displayed on the dryer’s touch screen
control. The dryer continues to operate, but this problem could prevent cor-
rect drying of your material. The dialog box will indicate whether the alarm
is a shut down alarm or a passive alarm.
Problem
Process Material
Temperature High
Process Material
Temperature Low
Dry Air GasTrac General
Alarm
Dry Air Electrical Heat
Booster General Alarm
Dry Air Process Flow Sensor
Alarm
Possible cause
Process material temperature setpoint is
above the alarm setpoint.
The drying monitor probe is not accu-
rately reading the temperature.
Process material temperature setpoint is
below the alarm setpoint.
The drying monitor probe is not accu-
rately reading the temperature.
The GasTrac is not operating properly.
The Hopper Temperature Controller
(HTC) is not operating properly.
The flow sensor is damaged or not func-
tioning properly.
Faulty wiring.
Solution
Increase the process material tempera-
ture alarm setpoint if it is too close to the
delivery temperature setpoint.
Replace the drying monitor probe.
Decrease the process material tempera-
ture alarm setpoint if it is too close to the
delivery temperature setpoint.
Replace the drying monitor probe.
Refer to the GasTrac’s manual for trou-
bleshooting.
Refer to the Hopper Temperature
Controller’s (HTC’s) manual for trou-
bleshooting.
Replace the flow sensor.
Diagnose and correct wiring problems.
Refer to the wiring diagrams supplied
with the EnergySmart Drying System.
Summary of Contents for HTC 120
Page 10: ...viii l Table of Contents ...
Page 30: ...2 14 l Description ...
Page 35: ...Installation General Installation General l 3 5 3 I n s t a l l a t i o n ...
Page 65: ...Installation Hard Piping Kits Installation Piping Hoses l 3 35 3 I n s t a l l a t i o n ...
Page 80: ...3 50 l Installation Piping Hoses ...
Page 88: ...3 58 l Installation Piping Hoses ...
Page 92: ...3 62 l Installation Conveying Lines ...
Page 93: ...Installation Water Lines 3 I n s t a l l a t i o n Installation Water Lines l 3 63 ...
Page 124: ...3 94 l Installation Gas Piping and Exhaust Flue ...
Page 125: ...Installation Testing 3 I n s t a l l a t i o n Installation Testing l 3 95 ...
Page 250: ...4 108 l Operation ...
Page 286: ...5 36 l Maintenance ...