HS-04 Operator’s Manual Chapter 3: Measuring Mode • 27
Responding to Clock Failure Alarms
A clock failure alarm occurs if the unit’s internal clock malfunctions.
1. Press and release POWER MODE to continue into Measuring Mode.
CAUTION: There is no datalogging function if you operate the instrument after a clock failure.
2. Attempt to set the date using the DATE item in User Mode (see page 67).
3. If the date cannot be set correctly, contact RKI Instruments, Inc. as soon as possible.
Responding to System Failure Alarms
1. If a system failure occurs, the system failure screen displays an error code as shown below:
2. The error code meanings are shown in the table below:
3. If the error code is anything but 031, the instrument cannot be used. Contact RKI Instruments,
Inc. as soon as possible.
If the error code is 031, press and release POWER MODE to continue into Measuring
Mode if the instrument must be used temporarily.
CAUTION: There is no datalogging function if you operate the instrument after a 031 system
failure. Contact RKI Instruments, Inc. as soon as possible.
Table 5: Error Code Explanation
Error Code Explanation
000 ROM failure
010 RAM failure
020 FRAM failure
031 FLASH memory failure
082 Temperature sensor failure
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