Hypontech HHT-12000 Series - User Manual

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Questions and Answers

M
Matthew GibbsNov 21, 2025
What to do if the grid voltage exceeds the permissible range in Hypontech HHT-12000 Inverter?
- D
  Dwayne PorterNov 21, 2025
  If the Hypontech Inverter detects that the grid voltage exceeds safety regulations, it may be a short-time abnormality of the power grid. In this case, the inverter will return to normal operation after detecting the normal power grid. If it happens frequently but automatically recovers, confirm if the grid voltage is outside the permissible range due to local grid conditions and try to modify the values of the monitored operational limits after informing the electric utility company first. If it cannot be recovered for a long time, confirm whether the AC circuit breaker is disconnected, whether the AC terminal is in good connection, whether the power supply line is normal, whether the AC cable wiring complies with the user manual guidance, and whether the safety regulation settings are no...
K
Katherine FergusonAug 25, 2025
How to fix PV voltage too high on Hypontech Inverter?
- K
  kdayAug 26, 2025
  If your Hypontech Inverter shows that the PV voltage is too high, check the open-circuit voltages of the strings to ensure they are below the maximum DC input voltage of the inverter. If the input voltage is within the permissible range when the fault occurs, further assistance is needed.
K
Kayla KaufmanAug 27, 2025
Why is my Hypontech HHT-12000 Inverter temperature too high?
- C
  Chris MasonAug 27, 2025
  If the Hypontech Inverter's temperature is too high, check if the airflow to the heat sink is obstructed and whether the installation site is in direct sunlight, causing the ambient temperature around the inverter to be too high. If all of these are normal, further assistance is needed.
A
Aaron VegaAug 27, 2025
What causes a 'Utility grid disconnected' error on a Hypontech Inverter?
- J
  Jennifer SanchezAug 27, 2025
  If the Hypontech Inverter displays a 'Utility grid disconnected' error, and it happens occasionally, it could be a short-time abnormality of the power grid. The inverter should return to normal operation once the power grid stabilizes. If it cannot be recovered for a long time, check whether the AC circuit breaker is disconnected, if the AC terminal or fuse is in good contact, and if the power supply line is normal. If the problem persists, further assistance is needed.
G
ginafitzpatrickAug 29, 2025
How to troubleshoot surface insulation resistance error on Hypontech Inverter?
- T
  Tristan HernandezAug 29, 2025
  If the Hypontech Inverter shows a 'Surface insulation resistance error', and it happens occasionally, it may be due to a rainy or humid environment. The inverter should resume normal operation once the fault is eliminated. If there is a continuous alarm, check the PV array’s insulation to ground, ensuring it is greater than 200 kΩ. Also, visually inspect all PV cables and modules and ensure the grounding connection of the inverter is reliable. If all these checks are normal, further assistance is needed.
A
Angel ChungSep 16, 2025
How to resolve CT Reverse Error on Hypontech Inverter?
- P
  psmithSep 16, 2025
  If the Hypontech Inverter displays a 'CT Reverse Error', try changing the direction of the CT device. If the CT device is connected correctly and the fault persists, further assistance is needed.
B
Benjamin FrankSep 14, 2025
What causes Back-up load over-voltage in Hypontech HHT-12000?
- D
  Dwayne ShermanSep 14, 2025
  If the Hypontech Inverter displays a 'Back-up load over-voltage' error, check whether the Back-up output voltage exceeds the normal range. If the Back-up output voltage is normal and the fault persists, further assistance is needed.
S
seth60Sep 15, 2025
What causes Battery Null Error in Hypontech HHT-12000 Inverter?
- D
  Dale Dawson Jr.Sep 15, 2025
  If the Hypontech Inverter displays a 'Battery Null Error', check the connection of the battery. If the battery is connected normally and the fault persists, further assistance is needed.
S
Sabrina SmithSep 6, 2025
What to do if Functional fault in Micro-Controller Unit (MCU) occurs in Hypontech HHT-12000 Inverter?
- B
  Bonnie GrahamSep 6, 2025
  If the Hypontech Inverter displays a 'Functional fault in Micro-Controller Unit (MCU)', disconnect the inverter from the utility grid and the PV array, and reconnect it after the LED turns off. If the fault persists, further assistance is needed.
S
Sally PetersonSep 4, 2025
How to fix N and PE voltage exceeds permitted range error on Hypontech HHT-12000 Inverter?
- N
  nhallSep 4, 2025
  If your Hypontech Inverter shows a 'N and PE voltage exceeds permitted range' error, check if the inverter is securely grounded.

Hypontech HHT-12000 Series Specifications

General

Number of MPPTs	2
THDi	<3%
Protection Degree	IP65
Frequency	50/60 Hz
Nominal AC Voltage	230V
Power Factor	>0.99
Operating Temperature Range	-25 ~ +60 °C
Output Voltage	230V
Protection Features	Over Voltage Protection, Over Current Protection, Over Temperature Protection
Operating Temperature	-25 ~ +60 °C
Storage Temperature	-40°C to 70°C

Summary

Safety and Warnings

General Safety Precautions

Comprehensive safety guidelines for installation, operation, and maintenance personnel.

Installation Procedures

Installation Requirements and Location

Specifies conditions, prerequisites, and suitable locations for installing the inverter.

Mounting and Grounding

Step-by-step guide for physically mounting the inverter and installing the PE cable.

Commissioning Process

Commissioning Safety and Wire Connections

Startup and Operation

Pre-Startup Safety Checks

Inverter Indicators and Controls

Disconnecting from Voltage Resources

Safe Power Disconnection Procedure

Technical Parameters

Inverter Specifications Overview

Comprehensive data on PV input, battery input, AC output, efficiency, and protection features.

Troubleshooting Guide

Earth Fault and Error Code Resolution

Procedures for addressing earth faults and resolving various error codes.

System Maintenance

Maintenance Procedures and Schedule

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