Technical FAQs

Ask a Question

What are the reasons if "Maintenance icon" is illuminated on the PM710 display.

Maintenance icon indicates the metered signals have reached saturation point or the frequency is out of range. 
Refer following Error Bitmap register 4112 for more details;
 
Error Bitmap:
bit 0: Phase A Voltage out of range
bit 1: Phase B Voltage out of range
bit 2: Phase C Voltage out of range
bit 3: Phase A Current out of range
bit 4: Phase B Current out of range
bit 5: Phase C Current out of range
bit 6: Frequency out of range or insufficient voltage on Phase A to determine frequency
 
For example: it is normal when the register 4112 = 00000000
If there is any bit =1, then a WRENCH icon (Maintenance icon) will be illuminated on the front display of PM7 meter.
 
For example: Bit 3 is linked to current, which measures from 5 mA to 6 A; if it is outside this range (i.e. without load or overload), bit 3 =1;
Was this helpful?
What can we do to improve the information ?