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ドライヤー Dri-Air Industries HA1000BのPDF 取扱説明書をオンラインで閲覧またはダウンロードできます。Dri-Air Industries HA1000B 14 ページ。 Hot air dryer

BASIC

TROUBLESHOOTING

OPERATING MANUAL - HA750-1500B HOT AIR DRYERS

Revision 10/8/02

DRI-AIR

INDUSTRIES, INC.

out with compressed air. DO NOT OPERATE DRYER

WITHOUT FILTER ELEMENT INSTALLED.

Heater Maintenance

Annually check terminal connections on each heater element

for looseness. Ensure that they are tight to prevent overheat

conditions.

Basic Trouble-Shooting

In the unlikely event that an operating failure should arise,

take the following steps to troubleshoot the problem.

1. Blower does not rotate:

a. Check incoming power fuses or circuit breaker

b. Check all dryer fuses with multimeter.

c. Check blower overload.

2. Inaccurate process air temperature readout:

a. Ensure thermocouple tip is situated in center of air

stream.

b. Check hose connection.

c. Check Heater ON light.

3. Air Flow Circuit:

a. Check outlet port on hopper and ensure that no material

is obstructing air flow through hopper.

b. Make sure that process air hose is properly connected,

not crushed, and free from obstructions.

c. Inspect filter and make sure cover is tight and the filter

element is clean.

4. Temperature Controller display flashing:

a. Check for open or disconnected thermocouple.

b. Temperature exceeded "High Limit".

c. Check thermocouple location.

5. Process Air Heaters will not actuate

a. Allow dryer to cool. Safety snap disc may have tripped.

b. Check safety snap disc in heater box.

6. Operating Conditions:

a. Check the process temperature. It should not be set

below 125 degrees F (52 degrees C) or above 250

degrees (121 degrees C).

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