Maintenance Work - Hitachi IJ PH Service Manual

2. Maintenance work

A screen for use in the maintenance work by a service personnel is described.
2.1 Setting of maintenance mode by service personnel
For the maintenance work by a service personnel, restrictions on use of the following
functions are removed.
- System environment setup
- Adjustment/operational checkout
- Solenoid valve/pump test
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1 Select the maintenance in a menu and then select Password protection.
2 Execute Limitation change and Input a password "PHDO" and press
Enter password.
1. The password "PHDO" is a special password to enable the
predetermined screen related to the control of IJP. Do not tell
this password to the customer.
2. Even when the customer sets the password in the password
protection, the "PHDO" has priority.
Caution
!
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