Melag 23, Melatronic 23 Maintenance manual
Service Instructions
for the MELAG Autoclaves
®
MELAtronic
23
Technische Änderungen vorbehalten
Functional reliability and retention of value of
the unit depend on:
- The proper preparation of the objects to be sterilized
- The avoidance of rust film formation
- The attentive care of the unit
- The regular exchange of the distilled/demineralized
water
CONTENT Page
CONTENT PAGE..........................................................................................................................................................2
1 MALFUNCTIONS WITHOUT ERROR MESSAGE........................................................................................... 3
1.1 NOTHING SHOWN ON THE DISPLAY .....................................................FEHLER! TEXTMARKE NICHT DEFINIERT.
1.2 NO WATER FEED AFTER PRESSING THE SWITCH "WATER FEED"............................................................................ 4
1.3 NO PROGRAM START AFTER THE OPERATION OF THE "START" KEY...................................................................... 4
1.4 NO PRESSURE QUICK RELEASE AT THE END OF THE PROGRAM.............................................................................. 4
1.5 BAD DRYING/ RESIDUAL WATER IN THE CHAMBER............................................................................................... 4
1.6 TOO HIGH PRESSURE INDICATOR.......................................................................................................................... 5
2 MALFUNCTIONS WITH FAULT MESSAGE....................................................................................................5
2.1 FAULT MESSAGE "ERR1" ..................................................................................................................................... 5
2.2 FAULT MESSAGE "ERR2" ..................................................................................................................................... 6
2.3 FAULT MESSAGE "1999"...................................................................................................................................... 6
3 MAINTENANCE AND CONTROL INSTRUCTIONS FOR DOOR AND LOCKING COMPONENTS...... 7
4 APPENDIX ............................................................................................................................................................... 8
4.1 EQUIPMENT VIEWS............................................................................................................................................... 8
4.2 ARTICLE/ SPARE PART NUMBERS......................................................................................................................... 8
4.3 PIPING PLAN ........................................................................................................................................................ 8
4.4 WIRING DIAGRAMM............................................................................................................................................. 8
4.5 PROGRAM FLOWCHART........................................................................................................................................ 8
4.6 OPERATION OF THE ELECTRONIC CONTROLS "MELATRONIC" .............................................................................. 8
4.7 PARAMETER LIST.................................................................................................................................................8
4.8 OPERATING INSTRUCTIONS.................................................................................................................................. 8
Serviceanleitung MELAtronic 23-e.doc Revision 0 - 01 Page 2
Serviceanleitung für MELAtronic®17/23
1 Malfunctions without error message
1.1 Nothing shows on the display
After switching on the autoclave at the power switch (21), the display is empty:
- Verification of the customer-side power supply
- Verification of the power circuit breaker (36), replace possibly defective circuit breaker, if there is a
renewed failure of the circuit breaker, then this means there is a short-circuit in the apparatus :
• Failure immediately when mains switch is activated: permanent short-circuit (mains switch /
wiring harness/ electronic control (20))
• failure when the switch "water feed" is activated: spool / connector socket solenoid valve
water feed (38) defective
• failure at program start or activation of the drying function: heating (42) defective
- mains switch defective: No voltage at the output of the switch when mains switch is activated
- Electronic control (20) defective (no display despite supply voltage on the connections N and L1)
No display after activating the mains
switch
Customer-side power
supply o.k.?
Circuit breaker
(36) defective ?
Supply voltage at the
mains switch output?
Supply voltage at
connections N and L1
of the electronics?
Electronic control
(20) defective
Ensure power supply
Mains switch
defective
Change circuit breaker
Repeated failure of
the circuit breaker?
Failure immediately upon
activation of the mains
switch?
Failure with activation of
the water feed switch?
• permanent shortcircuit
• power switch
• wiring harness
• electronic control (20)
Short-circuit in spool or in
the connector socket
solenoid valve "water feed" (
38)
Failure with program start or
activation of the drying
function ?
Short-circuit at
heating (42)
overheating protection
or at the
Seite 3
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