EZRUN MAX4 HV_Car Systems_HOBBYWING TECHNOLOGY CO., LTD.

EZRUN MAX4 HV

Overview
Specifications
Support
Accessories
Details

Sensored mode，Flexible、Retract freely

The Max4 HV ESC is the most sought-after ESC on the market. It’s dynamic and dominant
specifications meets the needs of power-hungry users. It has a strong output power with
excellent linearity at low speed and is operating on full-sensored mode.

Sensored Mode

Powerful Accleration &
Abundant Output

Aggressive launch

High speed on the straight line

Flying slopes

Extremely powerful and extremely low temperature

The internal circuitry board of the ESC has been integrated to use copper thermal conduction sink.
These are built into high-reliability thermal systems to ensure that it is
always in good thermal condition while supplying a maximum output current of 300A.

Extremely Powerful

Extremely Low Temperature

Maximum current
output up to:

300A

High Reliability & Durability

Max4 HV is the most durable(hardware) and
advance(software) ESC on the market. The ESC is built
using the highest quality of materials available to withstand
extreme weather /surface conditions. Together with the
most advance software developed by our in-house
engineers, we have created multiple overloading functions
to protect the ESC from damaging.

High Reliability & Durability

Applicable to All Weather Track Conditions

The IP-67 waterproof system guarantees excellent waterproofing and dustproofing protection. The whole power system
is able to drive on a variety of surfaces including muddy, sandy, icy, snowy and water without damaging the power unit.

Applicable to All Weather
Track Conditions

Excellent waterproof and
dustproof performance

Programming / Upgrading /
Data reading wirelessly

With Hobbywing's OTA module and smartphone (with the
HOBBYWING HW Link App installed), the user can program
parameters, upgrade firmware and heck relevant data of the ESC.

Programming / Upgrading /
Data reading wirelessly

Real-time data & data logging function,
easy to get the power running status.

After connecting the OTA module, turn on real-time data recording
function to access the operating status.

Real-time data & data logging function,
easy to get the power running status

Note: Bluetooth transmission distance
is most effective within the 5m radius.

OTA module box

Capacitor Thermal Protection

Capacitor thermal protection implemented by the ESC will
effectively prevent capacitors from exploding and causing
irreversible damage to the ESC due to overload.

Capacitor
Thermal Protection

Superior Built-in BEC

The ESC has a built-in BEC which can support a maximum output current
of up to 25A and the output voltages are switchable between 6V,
7.4V and 8.4V. This ensures that the ESC is able to support the
demanding high-torque servos in the market.

Superior Built-in BEC

The built-in switch mode
with a maximum output of

BEC

25A

Built-in spark-proof design

The built-in spark-proof circuitry is able to prevent damaging
the battery connectors as well as physical injury (to finger)
caused by strong electrical sparks upon connecting to a
“high voltage” battery pack (6-12S).

Built-in spark-proof design

Advanced and Secured Electronic Switch

The all-new advanced and secured electronic switch features a longer lifespan compared
to the standard switch. The dust, dirt, and waterproof switch housing ensures reliable and
longer life and eliminates unwanted damages. Heavy impact or harsh surfaces will no
longer affect and damaged the switch. Users will be able to enjoy bashing their RC cars.

Advanced and Secured
Electronic Switch

Longer Life

50000 times

Waterproof

Dustproof

Shock Proof

New sensored cable interface

The MAX4 HV ESC is equipped with a new type of
sensored cable interface. It is high recommended to use
the motors from Hobbywing as the waterproof protection
level is at the highest level (IP67).

New sensored cable interface

Note:

This ESC also supports wires with
the standard interfaces on the market.

Possible Causes	Solution
1. The battery voltage is not output to the ESC;	1. Check the battery,and whether the connection between battery and esc is good and whether the plug is soldered well;
2. The switch is damaged.	2. Replace the switch.

Possible Causes	Solution
The battery pack voltage is not within the range of support.	Check the battery voltage or change the battery for test.

Possible Causes	Solution
1. The throttle signal is not detected by the ESC;	1. Check if the throttle wire is plugged into the correct channel. Check if your transmitter is turned on. Check if the receiver ok.
2. The neutral point of the ESC is not calibrated correctly.	2. Recalibrate the throttle travel.

Possible Causes	Solution
The transmission on the car kit is different	Set the parameter item “Motor Rotation” to the opposite direction.

Possible Causes	Solution
1. Possible interference;	1. Check the cause of the interference in the receiver and check the battery level of the transmitter;
2. The ESC enters into low-voltage protection state;	2. Replace the battery if red light keeps flashing;
3. The ESC enters into overheat protection state.	3. The green light continues to flash for temperature protection, please continue to use after the ESC or motor temperature is reduced (it is recommended to reduce the load on the vehicle).

The light does not turn on after power-up, the motor does not start, and the fan does not work.

The motor does not start after power-up, with a “beep-beep-, beep-beep-” warning tone accompanied by a flashing red light (approximately 0.5 seconds for each set of two-tone intervals) .

After power on, the red light flashes quickly.

The car is going in the reversed direction when the forward throttle is applied.

The motor suddenly stopped or significantly reduced the output in running.

The motor stuttered and unable to start.

Going forward normally, but not reverse.

LED displays three end horizontal lines all the time — — — when connecting LED program card; Or displays “Connecting ESC” when connecting LCD program box.

The throttle travel setting could not be completed.

Possible Causes	Solution
1. The motor is connected incorrectly;	1. Check the plugs and the solder points and whether the sequence of A, B and C wires is correct.;
2. ESC fault (partial power pipe MOSFET burned out).	2. Contact the dealer to handle the repair.

Possible Causes	Solution
1. The neutral point of the remote control throttle channel deviates from the brake area;	1. Recalibrate the esc,when the throttle trigger is at the neutral point, the esc lights are off;
2. The parameter item "Runnig Mode" is set incorrectly;	2. The parameter item “Runnig Mode” is set to incorrectly;
3. The ESC is damaged.	3. Contact the distributor to handle the repair.

Possible Causes	Solution
The program box is connected incorrectly to the ESC.	Connect the program box with the correct interface, which to the fan port.

Possible Causes	Solution
The ESC did not receive the correct throttle signal.	1. Check whether the throttle cable is correctly connected to the receiver.
The ESC did not receive the correct throttle signal.	2. If the servo works normally,you can connect the throttle cable of esc to the steering channel to have a test, or change the transmitter/receiver system for test directly.