How to Identify the Cause of a Problem

Most dryer malfunctions are indicated by an illuminated Acknowledge Alarm light on the D carousel dryer control panel.

A problem can trigger two types of alarms:

Shut Down: The dryer has automatically shut down because it detected a serious problem that could damage your material or dryer.

Passive: 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.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Set Point

 

 

 

 

 

Actual

 

 

 

 

 

Shutdown Alarms

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A1

Process HighTemp.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A2

Process Loop Break

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A3

Process Heater HighTemp.

1

ProcessTemp.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A4

Regen. Heater HighTemp.

2

Regen.Temp.

 

 

 

Process Blower

Regen. Blower

Auto Start

 

 

 

 

 

A5

Carousel IndexToo Long

3

Return AirTemp.

 

 

 

 

Process Pressure

Regen. Pressure

Desiccant Indexing

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A6

Carousel Index Failure

4

Auto Start

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A7

Return Air HighTemp.

5

LoadTime (MDC)

 

 

 

 

 

Process Heater

Regen. Heater

Set-Back Temp.

 

 

 

 

 

Passive Alarms

6

Activate SetbackTemp.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

SetbackTemp.(Process)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P1 ProcessTemp. Deviation

8

Setback Load Rate

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P3 Regen.Temp. Deviation

9

PM1 Dewpoint

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P5 Return Air HighTemp.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

When the alarm light is displayed:

Acknowledge

Alarm LED and

 

 

1

Press the Acknowledge Alarm button once to silence the

button

 

optional audible alarm and display the alarm message.

Pressing the Acknowledge Alarm button once also changes the alarm LED from blinking to solid.

2Find the error message in the diagnostics table of this troubleshooting section.

3Note that pressing the Acknowledge Alarm button a second time will clear the alarm.

NOTE: When the dryer detects abnormally high temperature in the process heater, the dryer immediately shuts down and an error message appears in the display window.

The alarm light does not illuminate.

6 - 4 l Tr o u b l e s h o o t i n g

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Conair 50, 25, 15, 100 specifications How to Identify the Cause of a Problem, Problem can trigger two types of alarms

50, 15, 100, 25 specifications

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