BUSCH LM 0180 A, Инструкции по модернизации

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8 | Troubleshooting
16 / 20 Installation and Retrofit Instructions DOLPHIN LM 0180-0270 A, LT 0170-0220
A_EN_en
8 Troubleshooting
DANGER
Carry out any work on the variable-frequency drive and motor.
Risk of electrical shock!
• Electrical installation work must only be executed by qualified personnel.
Problem Possible Cause Remedy
The machine does not start. The variable-frequency drive
(VFD) is not supplied with
the correct voltage.
• Check the power supply.
No start signal. • Check the connection.
The motor or the variable
frequency drive (VFD) is de-
fective. • Check the LED on the
variable-frequency drive
display, if red, it is faulty
(contact Busch or read er-
ror with software).
En. HW has not been
connected. • Using a jumper cable
from terminal relay box
X5 - 24V Out to En. HW.
Incorrect or loose wiring. • Re-check wiring dia-
grams, check terminal
connections are correctly
tightened and conductor
ends are contacting termi-
nal points.