GE MAC 1200

GE Medical Systems MAC 1200 V 1.2 Page 47
Information Technologies 227 492 21 RevF
5 Troubleshooting tips
For all the following points the safety instructions in Section 4.1. have to be observed!
Device cannot be switched on even though power plug is plugged in
- green power lamp LED is off and device cannot be switched on:
- Power cable defective or not plugged in correctly?
~ Primary fuses in the mains input module defective?
- Connector from the mains input module to the mains switching power supply
plugged in correctly, or cable defective?
- Connector from the mains switching power supply to connector POSUP/ on the PCB
Control plugged in correctly, or cable defective?
- Keypad via connector KEYB/ on PCB Control plugged in correctly?
- 26,5V on the connector POSUP?
> ifno: -mains switching power supply defective
> ifyes: - PCB Control defective
- or keypad defective
- green power lamp LED is on, but device still cannot be switched on:
> -PCB Control defective
- or keypad defective
Device cannot be switched on when being battery-operated only
- Is the battery depleted?
- Plug in power plug, green power lamp LED should glow and the device can be
activated,
> if not: -refer to "Device cannot be switched on even though power
plug is plugged in”.
- By connecting the power plug, rapid charging is activated, LED1 on the PCB
Battery Charge is activated
> if not: - PCB Battery Charge is defective
- With power plug plugged in, let unit charge for 10 minutes, then disconnect power
plug. Can the device be switched on and can a recording be started?
> if yes: - Function OK., continue loading with plugged mains plug
> if not: - Battery disconnected or cable defective?
- Battery defective (no capacity)?
- PCB Battery Charge defective ( Si1?)?