MC521 PRO Control Box
03.23.2017
1.800.7.ACCESS • www.stanleyaccess.com • Document # 204090 REV D 19
Copyright 2017 Stanley Access Technologies, LLC. All rights reserved. Reproduction
in whole or in part without the express written permission of Stanley is prohibited.
Table 6. Status Codes
Status Code Description
00 Normal operaon—All OK
20 Breakout
55 Stall state
A0 First installaon sequence (FIS)
A1 Auto-conguraon sequence
A2 Auto-conguraon conrmaon sequence
b0 Invalid mode
b1 Encoder error
dc Display door cycle counter
0b Obstrucon aer Learn Mode
E3 Door length error -- cycle door to clear or re-FIS
db Output Control
33 System Error
34 Internal Communicaon Error - Type 1
35 Motor Drive Failure
36 Internal Communicaon Error - Type 2
Table 7. Door States
Door State Description
00 Door State is Closed
02 Door State is Opening
04 Door State is in Open Check
06 Door State is Full Open
09 Door State is in Close Check
15 Door State is in Open Stop
16 Door State is in Close Stop
NOTE:
• If the current status code is “Normal operaon—All OK”, the MC521 Pro will show the current door state.
Otherwise, the MC521 Pro alternates between showing the current status code and the door state.
• d1 and d2 displayed when controlling more than one door. Any state that follows d1 is referencing door
#1. Any state that follows d2 is referencing door #2