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5.2
Troubleshooting Guide
INDICATION
no response to
"speed" and "direction"
control signals
valve does not work in
OPEN position
valve does not work in
CLOSE position
For best results it is recommended that instruments are returned to the fac-
tory for servicing. See section 1.3 for return procedures.
5.3
Technical Assistance
Aalborg7 Instruments will provide technical assistance over the phone to qual-
ified repair personnel. Please call our Technical Assistance at 800-866-3837.
Please have your Serial Number and Model Number ready when you call.
LIKELY REASON
inadequate gas
pressure
cable or connector
malfunction
valve out of adjustment
incorrect valve
adjustment
pc board defect
cable or connectors
malfunction
incorrect valve
adjustment
pc board defect
cable or connectors
malfunction
9
REMEDY
apply appropriate gas
pressure
check cables and all
connections or replace
return to factory for
repair / replacement
return to factory for
repair / replacement
return to factory for
repair / replacement
check cable and
connectors or replace
return to factory for
repair / replacement
return to factory for
repair / replacement
check cable and
connectors or replace
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