36
Vacuum
problem
Hydrogen gas is
generated.
60%
Cooling water
problem
Flow rate is
inadequate.
30%
Cooling water
pump is too high.
50%
Absorbent
flow problem
Absorbent flow
rate is
inadequate
75%
Wrong adjustment
Refrigerant is
contaminated by
absorbent
24%
LT generator tubes are damaged (16DJ/NK). 1%
Crystallization
Absorbent
pump cavitation
25%
3 - Generator alarm
APPENDIX 1 - TROUBLESHOOTING FLOWCHART - CONT.
Insufficient inhibitor.
Pd cell heater is defective.
Pd cell is defective.
Air leakage 30%
Purging is inadequate. 10%
Cooling water pump control malfunctions.
Strainer is clogged.
Insufficient feed water.
Air in cooling water line.
Ambient temperature and/or humidity are too high.
Cooling water control valve malfunctions.
Cooling tower water spray malfunctions.
Cooling tower fan malfunctions.
Cooling tower fan belt is broken.
Cooling water temperature control thermostat malfunctions.
Partition plate in water box is removed.
Absorber and condenser tubes are fouled.
Wrong inverter setting.
Check valve malfunctions.
Wrong damper adjustment.
Heat exchanger(s) tubes are damaged.
Heat exchanger(s) is (are) clogged.
Orifice in pipe betw. LT gen condenser is clogged (16DJ/NK).
Cooling water temperature is too low.
Refrigerant blow-down is inadequate.
Heavy absorbent foaming condition in HT generator because there is
foreign material in the absorbent (16DJ/NK).
Ambient temperature and/or humidity are too high.
Cooling water control valve malfunctions.
Cooling tower water spray malfunctions.
Cooling tower fan malfunctions.
Cooling tower fan belt is broken.
Ambient temperature is too low. 5%
Cooling water entering temperature is too low with insufficient air purging. 70%
20%
