R-1900M (serv.man14) - Sharp Home Appliance User Guide / Operation Manual. Page 6

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Should any of maintenance indicators appear in the display, follow the instruction:

CC Mode

Reason

Action required

CC1
CC2

Operation time of magnetrons exceeds 
1,250 hours.

Call for service to replace the parts promptly. Failure to replace 
parts that have exceeded recommended operation time may 
cause failure of the microwave oven.

CC4

Operation time of the control unit, relays, 
switches exceeds 200,000 times.

CC3

Operation time of exhaust motor exceeds 
3,000 hours.

Even though CC3 is displayed, your oven can still be operated 
for short periods of time. Call for service to replace parts 
promptly.

NOTES:
1.  The CC and “ * “ indicator will appear in the display when recommended parts life is exceeded. The CC and “ * “ indicator 

can be cleared by pressing the STOP/CLEAR pad. Call for service to replace the parts promptly. Failure to replace parts that 
have exceeded recommended operation time may cause failure of the microwave oven.

2.  If one maintenance mode or more than one maintenance mode occurs at the same time, the display will show CC and the 

numbers of the modes separated by a period. For example, if CC1 occurs, the display will show CC and 1 reciprocally or if 
CC2 and CC4 occur at the same time, the display will show CC and 2.4. reciprocally.

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