Hitachi SRL Series - Optional Function Error Indications

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