Aalborg PSV-D - Manual (Page 11)

8
INDICATION LIKELY REASON REMEDY
valve does
not work in
“active" position incorrect valve adjustment re adjust valve
pc board defect return to factory for replacement
cable or connector malfunction
check cable and connectors or
replace
differential pressure too high decrease pressure to correct level
insufficient inlet pressure adjust appropriately
valve does not
work in close
position incorrect valve adjustment re adjust valve
pc board defect return to factory for replacement
cable or connector malfunction
check cable and connectors or
replace
orifice obstructed
disassemble to remove impedi-
ments or return to factory
For best results it is recommended that instruments are returned to the factory
for servicing. See section a.3 for return procedures.
f.3 Technical Assistance
Aalborg Instruments will provide technical assistance over the phone to qualified
repair personnel. Please call our Technical Assistance at 845-770-3000. Please
have your Serial Number and Model Number ready when you call.