23
5,4
CIRCUIT BRKR
OPEN
Circuit breaker or fuse
open in WalkAway™
circuit.
1. Breaker/fuse tripped or open.
2. Breaker/fuse defective.
3. Relay/fuse sensor line broken.
5,5
MAIN DROPOUT
Main contactor open.
1. Main contactor defective.
A built-in Status LED is visible through a window in the label on top of the controller. When the controller
detects a fault, the Status LED flashes the 2-digit fault code. The code is flashed continuously until the fault
is corrected. For example, code “3,2”—welded main contactor—appears as:
¤ ¤ ¤
¤ ¤ ¤ ¤ ¤ ¤ ¤ ¤ ¤ ¤ ¤ ¤
etc.
( 3 , 2 )
( 3 , 2 )
( 3 , 2 )
The codes are listed in the Troubleshooting Chart. Only one fault is indicated at a time, and faults are not
queued up. If multiple faults are active simultaneously, the code of the highest priority fault is flashed. After
all faults have been cleared, the code of the last active fault will continue to flash for one minute. This
feature is designed to help service personnel identify intermittent faults when no programmer is available.
These same fault codes will also be flashed by the external fault LED (connected to Pin 22), if one is
included in the system.
5.6 Maintenance of Rear Axle:
While using your vehicle, the rear axle should be maintained daily, periodically and randomly.
1
. Periodic maintenance means the driver should do some daily maintenance before, during or after driving
to prevent anything unexpected from happening. The maintenance is focused on cleaning and examination
as followed:
1) Clean the dust and mud on the cover to keep the axle clean.
2) Make sure all the connections are in good condition, in case there may be any damage to any contact
sticks or there is any travel in the contact.
3) Make sure the gear oil is full, if not add some.
4) Check to see if there is any link in the connection and transmission units or any unusual sound inside
the axle;
5) Check the brake drum, the exterior temperature and smell, it should be adjusted and/or repaired
immediately if there is any problem.
6) Check to make sure the breather valve is ventilated or not, in case the oil leaks.
7) Check if the there is any section in the parking brake cable broken or loosen, replace with a new one if
needed.
2
. Periodic maintenance: The axle should receive first grade maintenance, second grade maintenance and
third grade maintenance
First grade maintenance focuses on lubrication, fixation and gear oil replacement.
Second grade maintenance focuses on checking adjustment and gear oil replacement.
Third grade maintenance focuses on the whole part cleaning, assembly and gear oil replacement.
Maintenance in each grade should follow the requirements as listed below.
Summary of Contents for Bubble Buddy
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