Esco Airstream PCR-3A, Руководство по обслуживанию

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26
23
Polymerase Chain Reaction Cabinets
Fig 2.3
Blower does not
function
Faulty motor speed
controller
• Unplug the cabinet from main supply.
•
Open electrical panel and see Layout A/B at the end of
this section to locate the motor speed controller.
• Add a jumper wire between the 2 cables going to speed
control (see Fig. 2.4, 2.5).
•
Plug the cabinet to the main supply.
•
If the fan operates properly, the speed controller is
defective and need to be replaced.
• If the fan does not operate, the problem is not with the
speed control. Proceed to next step.
Fig 2.4
Fig 2.5
DOMINIQUE
DUTSCHER
SAS