6 Troubleshooting
Training manual Convotherm 4 87
6.1 The top 5 customer complains according to the Pareto Principle
(80:20)
Installation
Operation
Servicing
Most common faults associated with installation
Electric appliances
1
ST Has come loose for mechanical reasons during transport
2
Water quality
Incorrect (too soft, too hard)
Incorrect water pressure
3
Drain connection
Too small for the job
Drop not steep enough
4
Positioning of appliance Appliance not level
5
Safety clearances Gaps not large enough so wiring compartment overheating
Gas appliances
1
Water quality
Incorrect (too soft, too hard)
Incorrect water pressure
2
Gas setting / gas type Incorrect for the preset appliance configuration
3
Gas pipe Too small (input pressure too low)
4 Exhaust gas extraction
system
Extraction level too high
Too small for the job
5
Drain connection
Too small for the job
Drop not steep enough
Most common faults associated with operation
Cooking (electric/gas appliances)
1
Preheating Too much, too little
2
Loading 1
Placing food just at the very top or just at the very bottom is incorrect (correct
loading: start from the middle)
3
Transport trolley Brake not on and trolley is pressing
4
Program selection Selected cooking program not suitable for product
5
Loading 2 Not enough room for air to circulate
Cleaning (electric/gas appliances)
1
Incorrect cleaning agent
Reliable and efficient cleaning only possible when using the original Convotherm
cleaning agents.
2
Incorrect rinse aid
Reliable and efficient cleaning only possible when using the original Convotherm
rinse aids.
3
Incorrect mixing ratio ConvoCare too concentrated
4
Too much foam Selected cleaning level too high
5 Cleaning-fluid canisters
(Installed at too high a
level)
Stored at wrong level so may self-empty
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