25
DIAGNOSTIC CODES CHART
Some codes are saved in the code history and some are not. If a code is not saved it will briefly appear on the display as it occurs, then
disappear.
Code
Meaning
Solution
Saved
31
Main control board has experienced an
internal failure.
Disconnect all power, wait 15 seconds, then reconnect power (reboot). If
issue continues, replace main control board
NO
34
Absolute Position Encoder Error, not
getting position information from
encoder
Check APE assembly and wiring connections. Replace the APE assembly
if necessary
YES
35
Max-Run-Time Exceeded Error / Motor
Overload
Motor overload detected. Check door for obstruction, binding or a broken
spring. Once the operator cools, normal operation will resume.
YES
36
Product ID Error
Was the control board just replaced? If so, erase limits, enter limit setup
mode and set limits. If not, disconnect all power, wait 15 seconds, then
reconnect power before changing product ID harness
YES
37
Product ID Failure
Unplug product ID harness then plug back in. Disconnect all power, wait
15 seconds, then reconnect power before replacing product ID harness.
YES
38
Hard Stop Limit
Limit may be set too tightly against a non-resilient hard stop (re-adjust
limit). Operator may be at end of travel (re-adjust mounting)
NO
40
Battery overvoltage
Too much voltage on the battery. Check harness. Make sure there is NOT
a 24V battery on a 12V system
YES
41
Battery overcurrent
Possible short of the battery charge harness. Check harness. Make sure
you do NOT have a 12V battery on a 24V system
YES
42
No battery at boot up
Check battery connections and installation. Replace batteries if depleted
to less than 20V on a 24V system or less than 10V on a 12V system.
Make sure there is NOT a single 12V battery on a 24V system
YES
43
Exit Loop Error
Failure or missing loop. Check loop wiring throughout connection. May be
a short in the loop, or an open connection in the loop
YES
44
Shadow Loop Error
45
Interrupt Loop Error
46
Wireless edge battery low
Replace batteries in wireless edge
YES
50
Run-Distance Error
Door out of balance detected. Check counterbalance spring condition and
setting
YES
53
Brownout occurred
AC/DC board supply dipped below allowable level. Review power supply
and wiring. If rebooting, ensure enough time for discharge of power to
force a fresh boot
YES
Grifco System
Installed System
Informational
External Entrapment
Protection
(Safety Input Event)
Inherent Entrapment
Protection
(Force Based Event)
TROUBLESHOOTING
