106
eikon e1s
Service and repair guide
LED flashes
Warning Type
Warning Condition
Recover Condition
1
Over voltage
Input power voltage >270V
Input power voltage < 238V
2
Under voltage
Input power voltage < 150V
Input power voltage > 160V
3
Software over current
More than 9A
Less than 9A
4
Motor over temperature
Temperature fuse open
Temperature fuse recover
5
IPM over current
Current more than 9A
Less than 9A
8
Hardware over current
Current more than 13A
Less than 13A
Table 3.8: Error causes and LED
Convection fan: motor and motor speed controller tests
Ensure the following requirements have been met before starting the test:
•
The appliance has been disconnected from the power supply and protective measures have been taken to ensure
the power cannot be switched on again.
•
The appliance is cool.
•
The high voltage capacitors are discharged before commencing work.
•
Anti-static precautions have been taken.
•
The casing of the appliance has been removed.
Check the following:
•
Electrical supply into motor controller.
•
Three phase connections to convection fan motor.
•
Motor speed controller (convection fan) connections to
SRB.
•
Convection fan motor thermal cut-out (short circuit).
•
Convection fan motor rotates freely / not seized.
•
Convection fan motor winding resistances:
−
Red to Green 6-
7 Ω
−
Red to Yellow 6-
7 Ω
−
Green to Yellow 6-
7 Ω
•
Red or Green or Yellow to Earth (open circuit).
Содержание Merrychef eikon e1s
Страница 11: ...11 eikon e1s Service and repair guide Section 1 Safety ...
Страница 43: ...43 eikon e1s Service and repair guide Section 2 Operations and Installation ...
Страница 82: ...82 eikon e1s Service and repair guide Section 3 Service and Repair ...
Страница 147: ...147 eikon e1s Service and Repair Guide Circuit diagrams ...