Hallo. I need help. My GE AMX 4+ was working well until it started error 456. We managed to clear 456 and now we are getting error 435. We have checked the 6 conductors and the upper middle conductor was not pulling in. We tested its cable to another conductor and the cable from the middle conductor failed to pull in. We resolved the cable has an issue and we tested the cable which was discharging 110v current as required. We have checked the opt couplers and they all ok. What could be the problem with this system
Here is what I have for those errors. This will give you some idea of what needs to be checked. Bill
ERROR 466
1. During Calibration, Take Unit Out Of Calibration And Reset CPU Then
Restart Generator Calibration (MAS, KVP, Taps, And Filament Current Table)
2. Check Spark Gaps On HV Xformer For A 0.010” Setting
3. Check For Miswired Or Open Plug J2 From T2 On AMX1A4 Panel
To HV Xformer MA+ & MA-
4. Check For HV Xformer Spits
5. Check For XRT HV Spits
6. CPU Board May Be Defective
7. Insulate (On Older Units) Capacitor C5 From It’s Retaining Clamp (Ref. To S/N 3265)
ERROR 435
1. Check That All Contactors K1 Thru K6 On AMX1A4 Panel Pull In
When PREP Is Pressed
2. Check Installation Of Ribbon Cable From 1 KHZ Board To CPU Board
Or Opto-Couplers On 1 KHZ Board
ERROR 435
1. Check That All Contactors K1 Thru K6 On AMX1A4 Panel Pull In
When PREP Is Pressed
2. Check Installation Of Ribbon Cable From 1 KHZ Board To CPU Board
Or Opto-Couplers On 1 KHZ Board
Hello. Check the cpu. Trace the connector supplying the tap signals from the inverter chip on the CPU board. There must be a broken connection from that chip to the 1KHZ connecor on the CPU. Or the flex cable.
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AMX 4+ ERROR 435
June 26, 2019 11:10
Hallo. I need help. My GE AMX 4+ was working well until it started error 456. We managed to clear 456 and now we are getting error 435. We have checked the 6 conductors and the upper middle conductor was not pulling in. We tested its cable to another conductor and the cable from the middle conductor failed to pull in. We resolved the cable has an issue and we tested the cable which was discharging 110v current as required. We have checked the opt couplers and they all ok. What could be the problem with this system
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Bill Diaz
re: AMX 4+ ERROR 435
July 01, 2019 10:22
Here is what I have for those errors. This will give you some idea of what needs to be checked. Bill
ERROR 466
1. During Calibration, Take Unit Out Of Calibration And Reset CPU Then
Restart Generator Calibration (MAS, KVP, Taps, And Filament Current Table)
2. Check Spark Gaps On HV Xformer For A 0.010” Setting
3. Check For Miswired Or Open Plug J2 From T2 On AMX1A4 Panel
To HV Xformer MA+ & MA-
4. Check For HV Xformer Spits
5. Check For XRT HV Spits
6. CPU Board May Be Defective
7. Insulate (On Older Units) Capacitor C5 From It’s Retaining Clamp (Ref. To S/N 3265)
ERROR 435
1. Check That All Contactors K1 Thru K6 On AMX1A4 Panel Pull In
When PREP Is Pressed
2. Check Installation Of Ribbon Cable From 1 KHZ Board To CPU Board
Or Opto-Couplers On 1 KHZ Board
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Alfred M. Brown
re: AMX 4+ ERROR 435
July 01, 2019 10:21
ERROR 435
1. Check That All Contactors K1 Thru K6 On AMX1A4 Panel Pull In
When PREP Is Pressed
2. Check Installation Of Ribbon Cable From 1 KHZ Board To CPU Board
Or Opto-Couplers On 1 KHZ Board
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Peter Richu
re: AMX 4+ ERROR 435
July 01, 2019 10:55
Hello. Check the cpu. Trace the connector supplying the tap signals from the inverter chip on the CPU board. There must be a broken connection from that chip to the 1KHZ connecor on the CPU. Or the flex cable.
Email at techs.mems@gmail.com for more help.
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