When the protection function is activated, a cord such as “ALM-xx” or “TRBL-xx” is displayed on the panel, and the output is turned off.
The alarm code for ALM-XX:
When the protective function is activated, an alarm is triggered. Press the ALM CLR (SHIFT + CLR) key to clear the alarm and resolve the cause of the alarm.
Only the first alarm code is displayed, even if multiple alarms occur. To check for other alarms, press the ALM CHK (F5) key and turn the rotary knob.
The trouble code for TRBL-XX:
This alarm occurs in case of serious misuse, possible malfunction, or potential damage. If it occurs, turn the POWER switch off and wait at least five seconds before rebooting PCR-LE series. If the alarm persists, contact your distributor or agent for repair.
For the alarms and troubleshooting, read the user’s manual – chapter of Appendix – Alarms and Trouble – Corrective action.