BAFANG C961 User manual

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Manual
C961
Modified for eMax eBikes

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Contents
Appearance & size····················································· 3
Material & colour··················································· 3
Function & button·······················································3
Function·····························································3
Interface·····························································4
Button································································4
Attentions································································· 4
Installation································································ 5
ON/OFF····························································· 5
Walking assist····················································· 5
Backlight···························································· 5
Level································································· 5
Capacity·····························································5
Distance····························································5
TRIP clearance····················································6
Error code·························································· 6
Settings·····································································7
Preparation·························································7
Setting······························································· 7
Unit····························································· 7
Speed limit··················································7
Backlight···················································· 7
Time·························································· 7
Advanced setting······················································7
Wheel size························································7
Sleep time interval··············································8
Level amount···················································· 8
FAQ·······································································8
Warranty·································································9
Software version······················································ 9
Error Code list···························································· 9

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Material & Colour
The C961 made of ABS is able to work well under a temperature range of -20℃to
60℃.
Available Colours: Black and white.
Size:
Picture: The C961 Display Unit in White
Function & Buttons
Function
The C961 display has many functions to assist with your riding experience including:
Battery Capacity (Measured from Voltage)
Speed (Speed/ MAX/AVG)
Distance (TRIP/ TOLTAL)
Time
Walking Assist
Backlight
Error code
Levels setting

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Interface
Buttons
Mode/Power
+
-
Attention:
Don’t plug in/unplug this display when power is on.
Avoid collision or heavy impact to display.
Keep the plastic membrane for increased water resistance.
Don’t abuse programing parameters if display not functioning.
Contact supplier if you believe there is a fault with the display.
Power
Mode
Level
Walking
Time
ODO
Speed

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Installation
Install display on handlebar and adjust its location to suit the riders seated position.
ON/OFF
Long press Mode / Power to start display. Long press Mode / Power again to switch off.
Note: Display turns off automatically after no operation of motor for ten minutes.
Walking assist
Long press (-) to start assist walking. Highlights on screen. Vehicle goes at 6km/h.
Note: Only use when pushing. Please don’t use when riding.
Backlight
Long press (+) to switch on. Long press (+) again to switch it off.
Level
Press (+) or (-) to change the PAS levels. Default range 0 - 6,
0 no output, 6 max output. Default level 1 when
switched on.
Battery Level
Four sections are used to show when battery level.
Percentage of capacity for sections:
<20% 20%-40% 40%-60% 60%-80% 80%-100%
Note: Frame flashes at 1 Hz when power is critically low.
Distance
Press M to cycle between TRIP and TOTAL.

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TRIP clearance
Power on, long press M and (-) to clear TRIP distance.
Error code
When something goes wrong with system the error code will flash on screen. Details of
error codes can be found in the appendix.
Settings
Preparation
Connect the battery and power on the display.
Settings Mode
Long press (+) and (-) to enter settings mode.
Unit of measurement
Press (+) to change units Kilometres or Miles.
Press M to save and skip to speed setting.

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Speed limit
Limit range from 15Km/h to 50Km/h. Press (+) or (-) to change the limit.
Press M to save and skip to backlight setting.
Backlight
Press (+) or (-) to change the brightness of the backlight. Range from 1 to 8.
Press M to save and skip to time setting.
Time
Press (+) or (-) to change the hour, then press M to minute setting, press (+) or (-) to change
the minute.
Press M to save and exit.
Setting effects after system turned off and on again.

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Advanced settings
Long press M to start display. Long press (+) and (-) to setting mode,
Then press (+) and (-) without releasing while pressing M eight times, to advanced setting.
Wheel size setting
Press (+) or (-) to change the wheel size. Range from 8 to 32 inch. Press M to save and skip
to sleep time interval setting.
Sleep time interval setting
Press (+) or (-) to change the time, range from 0 to 60 minutes.
Display will sleep and cut off power after no operation on system for the set time.
Press M to save and skip to PAS level amount setting.
Level amount setting
Press (+) or (-) to change the amount, range from 2 to 9 levels (excluding level 0). The
default setting is configured by supplier for optimal results.
Press M to save and exit.
Setting will take effect after restart.

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FAQ
Q: Why won’t the unit power on?
A: Please check power on/off and wires.
Q: What to do to when error code is presented?
A: Please check the probable problem according to the error code list. Please contact
supplier if fault can’t be resolved by checking system.
Warranty
Under warranty:
1. Warranty term 18 months.
2. Problems due to quality problem within 24 months.
Non warranty faults:
1. Opened display.
2. Connector gets damaged by water or battery short.
3. Scratch or damage on housing after delivery.
4. Wire torn or damaged.
5. Damage result from accidents such fire or natural disaster.
6. Warranty period over.
Software version
This C961 adopts Bafang protocol V4.0 and only communicates with controller installed this
protocol.
Error Code List:
04 Throttle non responsive
05 Throttle abnormality.
06 Low voltage protection.
07 Over voltage protection.
08 Hall sensor abnormality.
09 Phase line abnormality
10 Controller overheating
11 Temperature sensor in controller abnormality
12 Current sensor abnormality
21 Speed sensor abnormality
22 Communication abnormality in BMS