Powerex 10 HP, Руководство пользователя

Страница: 10 / 24

10
Scroll Enclosure Air Compressors
1. In case of emergency stop, emer-
gency (alarm) code shown in Chart
7 flashes on display section and
the associated compressor (air end)
will stop. The normal air end with
no problem continues to operate.
2. You can check the emergency
information by going to
Emergency Display Mode.
3. In case of Emergency Stop, study
the information, find the cause
and take necessary measures. Then
push Reset Switch on operating
panel to cancel flashing emer-
gency number. If you cannot find
a reason or remedy, consult with
our technical service team or our
service centers.
AL 21: Sudden temperature rise of air
end
AL 22: Temperature rise of air end
If the temperature rises more than set
temperature, compressor (air end)
stops. See Chart 13.
AL 31: Sudden rise of current
AL 32: Rise of current
If current becomes very high, AL 31 or
AL 32 displays and compressor stops.
See Chart 14.
AL 33: Low motor current - If motor
current becomes very low, AL 33
displays and the compressor stops.
Open phase of S phase is consid-
ered to be a cause.
AL 91 and AL 92: Intermediate main-
tenance and inspection is over - If
you do not conduct intermediate
maintenance when your compres-
sor reaches its time and continue
operation for a further 200 hours
with CA 91 or 92 not canceled, and
stop operation; AL 91 or AL 92 will
Emergency (Alarm)
Signals
Item Causes
Ambient temperature Ambient temperature is high
Failure of cooling 1. Intake metal screen is clogged
2. Exhaust outlet is clogged
3. Aftercooler fins are clogged
4. Defective exhaust fan on compressor side.
5. Damaged intake hose
Chart 13 - Troubleshooting Guide: AL 21 and AL 22
Emergency
Troubleshooting
Guide
Item Causes
Electric source Open phase of R or T phases, low voltage
Air end Failure
Electric motor Failure
Chart 14 - Troubleshooting Guide: AL 31 and AL 32
display when you switch on circuit
breaker again.
When AL 91 or AL 92 displays, contact
our distributor and ask them to do
the intermediate maintenance and
cancel AL.
As a temporary measure, you can
continue operation by pushing reset
switch, but the manufacturer is not
responsible for any failure or problem
after AL 91 or AL 92 displays.
When AL 91 or AL 92
displays, contact our
distributor and do the intermediate
maintenance and inspection soon.
!
CAUTION