iQ Control Box
36 Document # 204144 REV B • www.stanleyaccess.com • 1.800.7.ACCESS
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01.25.2019
Attachment 6
iQ Troubleshooting Aid
(Sheet 1 of 1)
Symptom Remedy
Door does not close and/or
Status code displays ho/E2
NOTE: E2 indicates door held open by any sensor
input other than Hold Open Switch on TB-2.
Use best pracces to troubleshoot using handheld device and
provided wiring diagrams.
Check hold beam type (index 20). Monitored beams should
be set to “Monitored Beam” and non-monitored beams
should be set to “Non-monitored Beam.”
Reference latest Photo Beam Pro Troubleshoong Tech Tip.
Handheld will not update rmware Controller is not displaying 00. Re-FIS the door.
Door hits Open Stop/full open bumper Increase the Open Check Length (Index 3).
Door moon is not the same as the MC521/
MC521PRO for the same sengs
Parameters value for the iQ are not the same as MC521/
MC521PRO. Refer to Table 3.
Status code displays E3
Check mechanical issues, components.
Re-do rst installaon sequence (FIS).
Status code displays E4
Verify sensor wiring and safety logic seng.
Status code displays F0-F1, F6-F7 Verify sensor wiring and safety logic seng.
Status code displays F2-F3
Monitored beam Failure. Verify proper wiring and “holding
beam type”(index 20 = appropraite seng, Monitored Beam
or Non-Monitored Beam.
Reference latest Photo Beam Pro Troubleshoong Tech Tip.
Door moves slowly on one cycle.
Status code displays 33 or 34 or 36 momentarily
(3 seconds).
Note it. No acon required.
Door moves slowly on several cycles.
Status code displays 33 or 34 or 36 on
slow cycles.
1. Reset Power.
2. If code does not clear, Call Tech Support.
Door tuning issues
Refer to parameter descripons for useful adjustments.