Regal RH40, Руководство пользователя

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6. Troubleshooting
§6.1 Power-on Errors
When powered on, the RH40 series ultrasonic flow meter will automatically start the self-diagnostic
process to determine if there are any hardware and/or software problems. If a problem is identified, an
error message will be displayed. The following table shows the possible error messages, the
corresponding causes, and their solutions.
Error Message Causes Solutions
ROM Parity Error ROM operation illegal/error 1. Reboot the system
2. Contact the manufacturer
Stored Data Error User entered parameters
were lost
Press ENT key to restore the default
configuration
SCPU Fatal Error SCPU hardware fatal error 1. Reboot the system
2. Contact the manufacturer System Clock Slow or
Fast Error
Problem with the system
clock or the crystal
oscillator
CPU or IRQ Error Problem with RAM chip
System RAM error Problem with RAM chip
Time Date Error Problem with date/time
chip
1. Initialize the calendar in menu window M54
2. Contact the manufacturer
No Display, Erratic or
Abnormal Operation
Problem with wiring Double-check wiring connections
No response to key
pressing
Keypad is locked; bad plug
connection
Press keys M, 5, and 7, consecutively (M57).
From there, unlock the keypad.
Reboot Repetitively Hardware problems Contact the manufacturer
§6.2 Working Status Errors
The RH40 series ultrasonic flow meter will show an Error Code (i.e. a single letter, e.g. I, R, etc.) in the
lower right corner of the main menu window . When any abnormal error code shows, counter-measures
should be taken.