4601 I-V Meter Operation Manual
1.11 Life Limited Parts
1-20
1.11 Life Limited Parts
Follow the guidelines below to replace parts that are life limited.
Contact an ADC CORPORATION sales representative for replacement.
CAUTION: • Switch the 4601 output status between Operate or Suspend and Standby when the illumination of the
solar simulator is turned OFF.
Relay ON/OFF operations when the illumination is turned ON may shorten the relay life cycle.
• The above life cycles are reference information and are NOT guaranteed.
• When the internal used mechanical relay exceeds the expected life span and the error occurs, contact
an ADC CORPORATION sales representative immediately.
Part name
Expected life cycle
Remarks
Mechanical relay used in
the output unit
1,000,000 operations
The output unit is a consumable accessory and does
not carry a warranty.
The 4601 internally calculates the number of relay
contact operations. If the number of operations
exceeds the expected life cycle, “+571 Operate
Relay Lifetime” occurs at power ON, key operation
or remote self-test execution, or when the output
status is set to Standby.
Normal operation is possible when this error
message appears.
Replace the relay in reference to the expected life
span noted at left.
Cooling fan
40,000 hours
When the cooling fan stops, the message “+401 Fan
Stopped” is displayed and the operation stops.
Vacuum fluorescent
display
20,000 hours
Panel key
1,000,000 operations
USB connector
1,500 times
Rotary knob
1,000,000 operations
