Alto-Shaam 1200-UPS Kurulum Operasyon ve Bakım - Sayfa 16

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t R o U B L E S H o o t I n g C H E C K L I S t

tRoUBLE

unit does not operate.

No display in electronic control.

Cannot control temperature but

sensor and electronic control

checks O.K.

Temperature readout incorrect.

S E R V I C E

t R o U B L E S H o o t I n g C H E C K L I S t

f o r c a b i n e t s w i t h e l e c t r o n i c c o n t r o l

PoSSIBLE CaUSE

Insufficient power supply.

Defective power cord or plug.

Faulty power supply board.

Faulty electronic control.

Faulty relay

Heating element grounded.

Dirty or faulty sensor.

Faulty control.

d a n g E R

dISConnECt UnIt FRoM

PowER SoURCE BEFoRE

CLEanIng oR SERVICIng.

C a U t I o n

THIS SECTION IS PROVIDED FOR THE ASSISTANCE

OF QUALIFIED SERVICE TECHNICIANS ONLY AND

IS NOT INTENDED FOR USE BY UNTRAINED OR

UNAUTHORIZED SERVICE PERSONNEL.

1200-UP MARInE • INSTALLATION/OPERATION/SERVICE MANUAL • 14.

REMEdy

Check power source.

Check and replace if necessary.

Check line voltage for 24V across

pins 7 and 8 on the power supply

board and across terminals J9 and

J10 on the electronic control.

Replace control.

Replace relay.

Replace element.

Check sensor at 32°F (0°C).

If Ohm reading is 100, replace display.

If Ohm reading is not 100, replace sensor.