401 SERVO ALARM : Y AXIS VRDY OFF

[maxell4321]

I have alarm on my Omnitech sellex pal with fanuc control
401 SERVO ALARM : Y AXIS VRDY OFF
401 SERVO ALARM : A AXIS VRDY OFF

Can somebody help me with that ?

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[mbservice]

Bit of a general alarm you need to check amplifiers

[cincyice58]

yes, check amplifiers but also these diagnostics help:
The details of servo alarm are displayed in the diagnosis display (No.

200, 201, 204) as shown below.

#7 #6 #5 #4 #3 #2 #1 #0

200 OVL LV OVC HCA HVA DCA FBA OFA

#7 (OVL) : An overload alarm is being generated.

#6 (LV) : A low voltage alarm is being generated in servo amp.

#5 (OVC) : A overcurrent alarm is being generated inside of

digital servo.

#4 (HCA) : An abnormal current alarm is being generated in

servo amp.

#3 (HVA) : An overvoltage alarm is being generated in servo

amp.

#2 (DCA) : A regenerative discharge circuit alarm is being

generated in servo amp.

#1 (FBA) : A disconnection alarm is being generated.

#0 (OFA) : An overflow alarm is being generated inside of digital

servo.

#7 #6 #5 #4 #3 #2 #1 #0

201 ALD EXP

When OVL equal 1 in diagnostic data No.200 :

#7 (ALD) 0 : Motor overheating

1 : Amplifier overheating

When FBAL equal 1 in diagnostic data No.200 :

ALD EXP Alarm details

1 0 Built–in pulse coder disconnection (hardware)

1 1 Separately installed pulse coder disconnection

(hardware)

0 0 Pulse coder is not connected due to software.

[Rensito]

It's a general warning that amplifiers should be checked.
fall guys