Setting Passwords; Identifying Relay Application Problems; Inspecting Wiring - ABB Relion 615 Series Operation Manual

Section 7
Troubleshooting
7.3.3
7.3.4
7.3.4.1
116

Setting passwords

If user authorization is off or the user is logged in as an administrator, user passwords can
be set via the LHMI or WHMI or with PCM600.
Local passwords can be changed only via the LHMI. Remote passwords
can be changed via the LHMI or WHMI or with PCM600.
The password can be set to write mode with engineer or operator rights but
the changes to the password are not saved.
For more information, see
1. Select Main menu/Configuration/Authorization/Passwords.
2.
Select the password to be reset with
3.
Press , change the password with
4. Repeat steps 2 and 3 to set the rest of the passwords.
If the administrator password is lost, contact ABB's technical customer
support to retrieve the administrator level access.

Identifying relay application problems

• Check that the function is on.
• Check the blocking.
• Check the mode.
• Check the measurement value.
• Check the connection to trip and DFR functions.
• Check the channel settings.

Inspecting wiring

The physical inspection of wiring connections often reveals the wrong connection for
phase currents or voltages. However, even though the phase current or voltage
User authorization.
or .
or and press
1MAC054853-MB B
again.
615 series ANSI
Operation Manual