Siemens MULTIMOBIL 5C - Code 18: Premature Termination of Exposure

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Service Instructions

Multimobil 5C

Siemens Ltd. Med India Version 5.0

Page 68 of 73

8.4.7 CodE 18 : Premature termination of Exposure

Main Page

Table of Contents3
Safety6
Safety Precautions6
Overload Protection6
Radiation Protection6
Measuring with Oscilloscope7
Handling Precautions7
Mechanical Safety7
Maintenance8
Product Disposal9
Radioprotection Material9
Transformer Oil9
Plastics9
Electrolytic Capacitors9
Servicing10
Tools and Measuring Instruments Required10
Replacing Damaged or Missing Screws10
Cleaning and Disinfecting10
Cleaning the Unit10
Disinfecting11
Protecting the System from Fluids11
Routine Checks11
Daily Checks11
Monthly Checks12
Performance Check (Every Six Months)12
Calibration Check13
Control Voltages13
Signals13
Exposure14
Timing14
Kvp Measurement14
Ma / Mas Measurement15
Tuning15
Yearly Checks16
Parts Subject to Wear16
Checks Prior to Switch on after Prolonged Shelf Life17
Checks Prior to Transport17
Exposure Charts18
For Units with 230V Input18
For Units with 110V Input19
Error Codes20
Troubleshooting21
Checking the Line Voltage, Fuses and Led's21
Checking the Line Voltage21
Checking the Fuses22
Checking the Led's23
Checking the Control Voltages23
Checking the Line Voltage Display24
Checking the Intermediate Circuit Voltage24
Checking for Exposure Parameters24
Checking the Main Inverter Frequency24
Checking the Filament Frequency25
Filament Current Measurement25
Checking of Kv and Mas Values25
Automatic Dosage Regulation27
ADR Stop Mode (Manual)27
Replacing the Single Tank28
Replacing the Collimator28
Aligning the X-Ray Field to Image Intensifier28
Ccu and Camera Control30
Introduction30
Ratings30
Connection Terminals of Camera Control Unit (Ccu)31
Performances /Functions31
Adjustments & External Control35
Osd Parameters Settings38
Pin Assignment43
Pin Assignment & Interfacing Details44
Periodic Checks44
Mechanical Checks and Adjustments45
Parts Which Needs Periodic Adjustments45
Brakes45
Bearings46
V-Belt47
Chain47
Parts Which Needs Servicing or Replacements48
V-Belt48
Bearings48
Brake Liners49
Trouble Shooting and Rectification49
Specific Error Code Handling51
Unit Not Turning on51
No X-Ray52
No Standby54
Initialisation Error Codes55
Code 90 (EPROM CHECKSUM FAILURE)55
Code 96 (KV soll FAILURE)55
Code 97 ( Ma FAILURE)55
Code 99 (LAST RESET by WATCH DOG TIMER)55
Standby Error Codes56
Code 02 : +15 V Supply Error56
Code 03 & 04 : Iheiz < Istby & Iheiz > Istby57
Code 05 : Kvist <> 060
Code 06 : JR <> 061
Code 33 : Main Inverter Short Circuit62
Exposure Error Codes63
Code 11 : Main Inverter Short Circuit63
Code 12 : Kvist > Kvmax64
Code 13 : Iheiz > Imax or JR > Jrmax65
Code 14 : Kvist < Kvsoll66
Code 15 : JR < JRS67
Code 17 : Exposure Terminated by Backup Timer68
Code 18 : Premature Termination of Exposure69
Code 21 : Iheiz > Iheiz Maximum70
Code 22: Maximum Preparation Time71
Siemens Ltd. Med India Version72
Pcb Layout Drawings72
Master Card D91572
Filament Interface PCB D50673
ADR and Collimator Control PCB D50874

Siemens MULTIMOBIL 5C - Code 18: Premature Termination of Exposure

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