Unusual Diagnosis; Option Error; Disconnection Error Of Network Cable - Toshiba TOSVERT VF-AS1 Series Function Manual

7. Unusual diagnosis

The VF-AS1/PS1 is able to install two kind options. The option error message is
depended on the position of the option under or panel side.

7.1. Option error

The error message is displayed when there is hardware error, software error or loses of
connection of wire.
When an option and a combination of the inverter are bad, it is displayed.
Please use VF-AS1 after V150 or VF-PS1 after V650.
■Display of trip information
e-23 (Error code : 55) : Add-on option 1 error
(This error is displayed at the time the bottom side option has an error or only one
option is installed and has an error.)
e-24 (Error code : 56) : Add-on option 2 error
(This error is displayed at the time the two-units are installed and the upper side option
has an error.)

7.2. Disconnection error of network cable

When network trouble occurred by disconnection etc, the inverter does emergency stop
with the following indication when the network disconnection detection (f850) is set,
and it was set in (f851 =4).
■Display of trip information
err8 (Error code: 27): Communication error.
- 48E/48 -
E6581581