BENSHAW RSi GM2 Series, Инструкция по эксплуатации

Страница: 251 / 282

241
Troubleshooting
890054-00-00
GM2 Series VFD
Keypad
Display
Name Type Description
Fan Trip Latch Error is detected in the cooling fan with Pr.79 set to 0.
Pre-PID Fail Latch
The pre-PID functions set with AP.34 ~ AP.36 remain out
of range (% and time) based on the PID feedback signal.
It is treated as a load fault.
Ext-Brake Latch
When controlling an external (electro-mechanical) brake,
the inverter output current (Brake Release Current)
remained below the value set at Ad.41. Related
parameter OU.31 or OU.33 set to 35 (BR Control) to
control the relay.
Overheat Pre
Alarm
Latch
Inverter Overheat. The inverter temperature exceeded
the temperature set in Pr.77. Related parameters Pr.78
set to 2: Free-Run or 3: Dec. OU.31 or OU.33 set to 41
(Pre Overheat).
Protection Functions Related to Communication Options
Keypad
Display
Name Type Description
Lost Command Level
Lost analog or communications frequency reference.
Based on Pr.12 ~ Pr.15 settings. Related parameters
OU.31 or OU.33 set to 13 (Lost Command).
IO Board Trip Latch
Displayed when the I/O board or external communication
card is not connected to the inverter or there is a bad
connection.
Displayed when the hold error code continues for more
than 5 sec.
(‘Errc’ -> ’-rrc’ -> ‘E-rc’ -> ’Er-c’ -> ‘Err-‘ -> ’- -rc’ -> ‘Er- -‘ -
> ’- - - -‘ -> ’Errc’ -> …)
Option Trip-1 Latch
Communication error is detected between the inverter
and the installed communication board.