by: dewi susanti
ritter autoclave
Learn helpful troubleshooting tips for working with Midmark® M9 & M11 tabletop sterilizers. Find out what to look for when repairing or diagnosing problems w. Error Code C983 The C983 Error Code Only applies to the Following Midmark M9 & M11 Models: When power is supplied to the Main PC Board, current continuously flows thru the two ('normally closed') High-Limit Thermostats. This circuit powers all line voltage components (except the Fan System).
The C983 Error Code may occur in some Ritter autoclave models of the Mismark M9 and M11 range. In order to fix this problem, you need to first understand the normal working mechanism of this sterilizer.
While working properly, the Main PC Board within the autoclave is supplied with power that passes through two high-limit thermostats. These thermostats are normally “closed” (being “closed” means that the thermostat is in good working condition – it is defective when it is in the “open” state).
If one or both thermostats opens (maybe due to overheating or malfunction) the C983 error code occurs. Since the thermostat circuit powers nearly all other components, the sterilizer will completely shut down.
Locating The High Limit Thermostat
To fix a malfunctioning Ritter autoclave, the thermostat must first be located. It is placed on the lower part of the sterilizer chamber. In order to get to it, drain all the water within the reservoir, then lay the Ritter autoclave on its side with the door closed. This way, you can easily locate a small access panel at the bottom. The thermostats are right beneath this access panel.
Identifying The Bad Thermostat
Once you find the thermostats, you now need to identify the defective one. This can be done through a “continuity” test using a Multimeter or volt/Ohmmeter. The setting needed for this test may be found in the meter’s “ohm” section. It is normally 2k or 200. Take note that this test should only be carried out when the thermostats have cooled down to room temperature.
Begin by testing one thermostat then the other. Make sure to tag each of the connecting pair of wires in order to recall where each wire goes, before removing them from the thermostat. Place the proper setting on the meter, then apply a probe to contact each of the thermostat’s terminals.
If the meter reads either 0 or a value close to 0, it indicates that there is continuity. This means that the high limit thermostat being tested is in good working condition. On the other hand, if the meter reads 1, then the thermostat being tested is defective. Always test both of the thermostats even if you find the first one to be defective.
In the case that only one of the pair of high limit thermostats is defective, only that one should be replaced, while the other one remains. However, if both thermostats do register good meter readings, the two thermostats must be replaced.
The reason for this is because either one or both supposedly good thermostats is breaking connection at a low temperature (thermostats are factory set to stop electricity flow by breaking contact only at a high temperature – generally 4500F); otherwise the Ritter autoclave would not indicate the error code C983. In order to determine the defective thermostat in such a case you require more specialized techniques. Hence, it would be faster and less tasking to simply replace both high limit thermostats.
Once the thermostats have been replaced, make sure to re-attach all autoclave parts in the proper format. Making any errors in re-attaching critical circuitry components on the Ritter autoclave might create further malfunction.
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ERROR CODE C980: POWER UP MODE - Autoclave Parts
The first step in determining the problem and it's solution is to take note of when the Error Code C980: POWER UP MODE is appearing. Once you know when the error code is appearing, scroll down & locate the proper chart for solutions During The POWER UP MODE If The Autoclave Skips The FILL Cycle
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Midmark M9 & M11 Error Code C980 - Autoclave Parts
Midmark M11 Error Code C980 C980 indicates a power interruption occurred after an error code was displayed. When this error appears, always check the five previous error codes by performing the Service Diagnostics
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Error Codes C980 and C983 - Autoclave.Guru
The Error Code 'C980: POWER UP MODE' means the high-limit thermostat has tripped open. This is normally due to lack of water inside the chamber Midmark M9 & M11 Error Code C983 (HEATUP) The Error Code 'C983 (HEATUP)' means the High-Limit Thermostat is open. This is normally due to lack of water inside the chamber
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Troubleshooting / Testing / Repair Guide: M9 ... - Midmark
2019 Midmark Corp. | 60 Vista Drive Versailles, OH 45380 USA | 1-800-643-6275 | 1-937-526-3662 | 004-10174-00 (1/30/19) Troubleshooting Chart - continued
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How to fix Midmark old M9 autoclave digital sterilizer ...
http://www.isterilizer.com presents this video to show how to fix the old style Midmark Ritter M9-001 to M9-011 sterilizers (as same as M9D and M11001~005). ...
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How To Troubleshoot The Error Code C983 On A Ritter Autoclave
Place the proper setting on the meter, then apply a probe to contact each of the thermostat’s terminals. If the meter reads either 0 or a value close to 0, it indicates that there is continuity. This means that the high limit thermostat being tested is in good working condition.
Error Code 80070241 Windows 8.1
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Sterilizer Technical Support - Autoclave
The technical information is just to help sterilizer users as reference to do their trouble shooting. no guarranty implied. For each specific technical help to do with sterilizers or autoclaves, go to www.sterilizers.com... or call 1-800-801-9934 E-mail uswww.sterilizers.com... or call 1-800-801-9934 E-mail us
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Contact Us - Midmark
Contact Our Sales Team. Interested in pricing or making a purchase? Get connected with a member of our sales team to help you with your request. Go. ... Stay up-to-date with the latest Midmark news, learn more about our products and services or request upholstery, panel or countertop samples. Go.
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MIDMARK M11 TROUBLESHOOTING/TESTING/REPAIR MANUAL Pdf ...
View and Download Midmark M11 troubleshooting/testing/repair manual online. Automatic. M11 laboratory equipment pdf manual download. Also for: M9.
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MIDMARK M9 MANUAL Pdf Download | ManualsLib
Figure 1-4. Major Components 1.5 Special Tools 1.4 Ordering Parts Special tools needed to repair the sterilizer are listed Contact Midmark's Technical Service Department with below in Table 1-2. all necessary information (model / serial number, part number, etc.).
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