Current MM Errors


Beep Errors

MM271ARM (board AND arm) RP1002 RP1007
Beep Pattern MM271 MM272, HD272 MM371W, MM372W, MM571W, MM572W, TS571W
1 beep every 2 sec Limit Switch
2 beeps every 2 sec
3 beeps every 2 sec
4 beeps every 2 sec
5 beeps every 2 sec 1st Op Count Error Primary Op Stuck Limit or Open Motor Circuit
6 beeps every 2 sec 2nd Op Count Error Secondary Op Stuck Limit or Open Motor Circuit
1 beep then 2 beeps every 2 sec Master Terminal Red/Blk Short
if motor test pass or
Arm Motor Short if motor test fails
Master Terminal Red/Blk Short
if motor test pass or
Arm Motor Short if motor test fails
2 beeps then 3 beeps every 2 sec Secondary Terminal Red/Blk Short
if motor test pass or
Arm Motor Short if motor test fails
Secondary Terminal Red/Blk Short
if motor test pass or
Arm Motor Short if motor test fails
2 beeps then 5 beeps every 2 sec Memory Fault / Faulty Board
1 beep every 10-20 sec
2 beeps every 10 sec Motor Fault
Continuous Uninterrupted Alarm, No Ops Double Obstruction Double Obstruction Double Obstruction
Gate Stops and Reverses (up to full cycle) Obstruction Obstruction Obstruction
Power Up Beeps or Clicks upon Activation, No Ops

Blink Errors

If the alarm is not functional, the blink may actually be indicating a beep error instead
MM271ARM RP1002 RP1007
Blink Pattern MM271 MM272, HD272 MM371W, MM372W, MM571W, MM572W, TS571W
1 blink every 2 sec Battery Charging
(not error)
Battery Charging
(not error)
Cycle Input Short - remove wire(s) from CYCL to resolve
2 blinks every 2 sec Safety Input Short - remove wire(s) from SAFE to resolve
3 blinks every 2 sec Exit Input Short - remove wire(s) from EXIT to resolve
4 blinks every 2 sec Shadow Input Short - remove wire(s) from SHDW to resolve
5 blinks every 2 sec Close Edge Input Short - remove wire(s) from EDGE to resolve
6 blinks every 2 sec Open Edge Input Short - remove wire(s) from EDGE to resolve
Charge LED flashing rapidly
Charge LED flashing
Charge LED off
D17 LED (under S4 button) flashing Power On (not error)