RESIDENTIAL ELEVATOR
SERVICE GUIDE
TECHNICAL SUPPORT:
Call or Text: 866-209-3421
Technical information web site:
cambridgeelevating.com/technicians/
Email:
Refer to OLS operator manual, BES3 installation manual,
BES3 service manual, electrical drawings, hoist-way
layout, and CE connection drawings for details.
1XX Communications module codes
121 - Remote monitoring reset
123 - Started communicating
123_3_# - System startup
1234567 - Service mode
124 - Module software update
125 - Module self-reset timer
126 - Module self-reset
127 - Module remote reset
131 - Drop in communications
132 - Remote report request
134 - Multiple self-reset
135 - Module self-reset, timer
141 - System voltage < 24Vdc
142 - Releveled >=5 times a day
143 - Calls were over 30 for day
145 - Communications failure
147 - Landing door left open
150 - MCP 5 day turnover
151 - MCP 6 month
152 - MCP 12 month
153 - MCP 60 month
171,172 - R&D test
3XX System will not take a call due to…
312 - Light curtain is blocked
313 - No 120Vac or 220Vac
314 - Main controller safety
315 - Car-top safety activated
316 - COP e-stop is open
317 - System is in service mode
321 - System voltage very low
323 - Battery capacity very low
325 - Battery faulty
326 - DC power fault
327 - DC power low
341 - Run timer fault
342 - Car-top relay monitor
343 - Gate safety monitor
345 - Contactor monitor
346 - Light curtain is not working
347 - Landing door contact failed
351 - Floor relay monitor
352 - Landing door cancelled call
353 - Cab gate canceled call
354 - Positioning system error
356 - Light curtain blocked
357 - Floor relay monitor
361 - Cab Gate left open for more than 10 seconds
**362 - Elevator training
364 - System failed to find a floor
**365 - Landing door safety fault
371 - MCU chip failed, replace
4XX MCU fault codes
412 - MCU data is invalid
423 - MCU external oscillator failure
5XX Startup cannot proceed due to…
512 - A landing door is open
513 - A cab gate is open
514 - Main controller safety
515 - Car-top safety activated
516 - Light curtain blocked
517 - No 120 or 220Vac
521 - Low DC voltage
523 - DC Power system failure
524 - Battery recharging
525 - Very low battery capacity
531 - MCU chip internal failure
532 – Car-top relay fault monitor
5353 - Software version error
543 - Internal fault monitor
**545 - Contactor monitor
**562 - Elevator training
**565 - Landing door safety fault
7XX Startup was suspended due to…
7 (steady) - MCU Program not running, check MCU chip
721 - Cab did not move
723 - Low up speed
724 - Low / no down speed
725 - Low down leveling speed
727 - No up movement
731 - Positioning system fault
732 - Contactor overload tripped
734 - Door zone fault
735 - Positioning sensor spacing
741 - Top cam too high or missing
751 - Floor relay fault or F4 fuse
** A hard reset is required, see service manual section K.
Customers should never be instructed on how to do a hard
reset.
Setting Floor Levels
Note: System must be in automatic and able to take calls.
1. Travel to a floor using a car call button.
2. Open COP to access leveling controls.
3. Press and hold 2 enable buttons.
4. Use up and down buttons to move the car up and down
until it is level with the floor. Remember to account for
flooring if it is not installed yet.
5. As soon as you let go of the enable buttons, the new
position will be stored in memory.
6. If the car will move up and down but not far enough, you
will need to move the coded strip for that floor:
a. If you move the car up but the car is still too low, move the
strip up one inch more than the distance you are short.
Return to step 1).
b. If you move the car down but the car is still too high, move
the strip down a little more than the distance you are short.
Return to step 1).
7. Once all floors have been leveled, travel back to each floor
to confirm level is correct.
Note: Unlike our previous model, you do not have to be in
service mode.
Setting the Number of Stops
Note: System must be in automatic and able to take calls.
1. Restart the system, cab should travel to the top floor.
2. Gain access to the car and open the COP
3. Press and hold 2 enable buttons.
4. While still holding the 2 enable buttons, reach around
immediately and hold the top floor button.
5. All the COP call buttons will flash for 15 seconds or so.
6. The DPI should change to the top floor # or symbol.
7. Let go of the enable and call buttons.
Note: Unlike our previous model, you do not have to be in
service mode.
