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Hitachi SRL Series Instruction Manual page 36

Oilfree scroll compressor
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Troubleshooting (continued)
Digital Display Error and Alarm Indications (Optional function)
Digital Display
NOTE; For other error indications, please contact the local Hitachi distributor.
Display
Error/Alarm Description
Air Compressor low pressure
A.PLo
alarm
̲
U p p e r
s c r o l l
E.nT.
maintenance shutdown
̲
M i d d l e
s c r o l l
E.nT.
maintenance shutdown
L o w e r
s c r o l l
̲
E.nT.
maintenance shutdown
̲
̲
All scroll heads maintenance
E.nT.
shutdown (7.5/11M6)
̲ ̲
All scroll heads maintenance
̲
E.nT.
shutdown (16.5M6)
If pressure falls below the set value, this alarm is
displayed while the air compressor continues to
operate.
h e a d
h e a d
If the total operating hours exceeds the required
h e a d
maintenance interval, the air compressor ceases
operation and this alarm is displayed.
32
Corrective Action

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