DAU-20 Instruction Manual
18
Trouble
contents
Cause
How to resolve problem
Refer
ence
Temperature of
pump surface is
abnormally high
(higher than room
temperature
+30
℃
(86 degF))
(1) Performing continuous operation in the
status that absorption gas pressure is high
(1) Do not conduct continuous operation in
vicinity of atmospheric pressure
(2) Absorption gas is high temperature
(2) Mount refrigerating machine such as gas
air conditioners at inlet
(3) Abnormal voltage of power source input
(3) Adjust voltage fluctuation to lower than
±10%
(4) Motor is locked
(4) Refer to pump rotation failure description
