[wmstdnmr]

I have a HT20SII that is showing a 500 alarm saying ac 100v abnormal, the yasnac
Power supply shows good on the NC on the monitor it shows AL-1.
I had the lx3 controller , I am not founding any troubleshooting guides in the book? Thank you in advance for any help or tips.

[CyberCNC]

Please check the 100vac. from the T1 transformer in the center part of the electrical cabinet. If that is okay, then check the voltage at CB-3, CB-4, and CB-5 located in the left rear cabinet (standing behind the machine) they are located behind the swing out control rack. If those all read good, then check the AC100 relay (they are called ice cube relays because they look like ice cubes) above the card rack on the swing out panel (it is the 7th relay counting from left to right). The AC100 relay is not the same as the other relays, it is a 1310N-2C-120AC relay made by Guardian.

[wmstdnmr]

Please check the 100vac. from the T1 transformer in the center part of the electrical cabinet. If that is okay, then check the voltage at CB-3, CB-4, and CB-5 located in the left rear cabinet (standing behind the machine) they are located behind the swing out control rack. If those all read good, then check the AC100 relay (they are called ice cube relays because they look like ice cubes) above the card rack on the swing out panel (it is the 7th relay counting from left to right). The AC100 relay is not the same as the other relays, it is a 1310N-2C-120AC relay made by Guardian.

I have 105 volts at the transformer and all three breakers the relay shows a red light I will test it Monday morning

[wmstdnmr]

Relay drnz has power and checks out good the next 5 do not light up svmx,dr1,dr2,dr2a,and pre

I have 105 volts at the transformer and all three breakers the relay shows a red light I will test it Monday morning

[ncbobbys]

I have a HT20SII that is showing a 500 alarm saying ac 100v abnormal, the yasnac
Power supply shows good on the NC on the monitor it shows AL-1.
I had the lx3 controller , I am not founding any troubleshooting guides in the book? Thank you in advance for any help or tips.

Check white breakers behond CPU rack that swings open. If still no luck email me @ [email protected]

[wmstdnmr]

Replaced 1 3 circuit breakers all arms are gone except a 280 machine not ready

Check white breakers behond CPU rack that swings open. If still no luck email me @ [email protected]

[wmstdnmr]

Replaced e stop switch all good now thank you very much!

Replaced 1 3 circuit breakers all arms are gone except a 280 machine not ready