62-11640
9–8
Indication/Trouble
Possible Causes
Action / Reference
9.4.11
Expansion Valve (EVXV) Malfunction
EVXV not controlling correctly
Low refrigerant charge
EVOT defective
Coil not seated properly on valve
Valve or Valve Coil defective
EVOP defective
Check
EVXV inlet screen plugged
Check/Replace
Damaged or corroded electrical connections at valve or
EVXV
Check/Repair
9.4.12
Compressor Suction Modulation Valve (CSMV) Malfunction
CSMV not controlling correctly
Coil not seated properly
Check
Coil defective
CSP defective
CST defective
Damaged or corroded electrical connections at valve or
SVM
Check/Repair
Stepper Valve Module (SVM)
Check
Repair
9.4.13
Economizer Valve (ECXV) Malfunction
ECVX not controlling correctly.
Coil not seated properly
Check
Valve or Valve Coil defective
ECOT defective
Damaged or corroded electrical connections at valve or
SVM
Check/Repair
Stepper Valve Module (SVM)
Check
Repair
Stuck open LIV
9.4.14
Abnormal Discharge Temperature (High)
Refrigeration system
Plugged LIV strainer, or defective LIV
Defective CDT
Low refrigerant charge
Non
−
Condensables
Damaged Compressor
Summary of Contents for Vector 8500
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Page 125: ...62 11640 SECTION 6 MESSAGECENTER PARAGRAPH NUMBER Page 6 1 MESSAGECENTER MESSAGES 6 1 ...
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