How to resolve 'Inv. Temp. Probe Fail' on my Astralpool 78543?
- RRichard Rocha MDSep 22, 2025
If your Astralpool Heat Pump displays 'Inv. Temp. Probe Fail', the sensor is either short circuit or open circuit. Inspect and replace the sensor.
How to resolve 'Inv. Temp. Probe Fail' on my Astralpool 78543?
If your Astralpool Heat Pump displays 'Inv. Temp. Probe Fail', the sensor is either short circuit or open circuit. Inspect and replace the sensor.
Why does my Astralpool 78543 display 'High Pressure Prot.'?
If your Astralpool Heat Pump is showing 'High Pressure Prot.', it means the high-pressure switch might be faulty. You should check both the pressure switch and the cold circuit to troubleshoot the issue.
What does 'Low Pressure Prot.' mean on my Astralpool 78543?
If your Astralpool Heat Pump displays 'Low Pressure Prot.', this indicates a low-pressure protection issue. You should check the pressure switch and the cold circuit to resolve this problem.
How to fix 'Communication Fault' on my Astralpool 78543?
If your Astralpool Heat Pump displays 'Communication Fault', there may be a communication issue between the wire controller and the mainboard. Check the wire connection between the remote wire controller and the main board to resolve this.
What does 'EEPROM Error Warn' mean on my Astralpool 78543 Heat Pump?
If your Astralpool Heat Pump displays 'EEPROM Error Warn', it indicates an MCU error. Check whether the chip is damaged and replace it if necessary.
What causes 'V15V over/undervoltage fault' on my Astralpool Heat Pump?
If your Astralpool Heat Pump displays 'V15V over/undervoltage fault', it indicates that the V15V is overloaded or undervoltage. Check if the V15V input voltage is in the range of 13.5v~16.5v.
How to fix 'Antifreeze Temp. Sensor Fault' on my Astralpool 78543?
If your Astralpool Heat Pump displays 'Antifreeze Temp. Sensor Fault', the antifreeze temperature sensor is likely broken or short-circuited. Check and replace this temperature sensor.
Why does my Astralpool 78543 Heat Pump show 'Outlet Temp. Sensor Fault'?
If your Astralpool Heat Pump shows 'Outlet Temp. Sensor Fault', the temperature sensor is either broken or short-circuited. You should check or change the temperature sensor.
What causes 'Inverter Overheating' on my Astralpool 78543 Heat Pump?
If your Astralpool Heat Pump displays 'Inverter Overheating', it indicates that the transducer is overheating. Check and adjust the current measurement to resolve this.
What to do if my Astralpool 78543 Heat Pump warns 'Input Over Cur. Warn'?
If your Astralpool Heat Pump displays 'Input Over Cur. Warn', it indicates that the input current is too large. Check and adjust the current measurement to resolve this.
Overview of the Astral Pool Heat Pump and its features.
Critical safety guidelines for the installation and operation of the heat pump.
Detailed instructions for connecting the heat pump to the pool's water system.
Guidelines and procedures for the correct electrical hookup of the unit.
Information on assessing and managing noise levels for neighbourly installations.
Technical specifications and performance metrics for different heat pump models.
Physical dimensions and measurements for the heat pump units.
Explanation of the wire controller's main screen and button functions for operation.
Guidance on selecting operating modes and setting the desired water temperature.
Instructions for setting the unit's clock and configuring timing functions.
How to access and interpret the unit's fault records for troubleshooting.
Recommended steps for regular inspection and upkeep of the heat pump.
Important safety cautions and warnings applicable to the heat pump.
Recommended cable sizes and types for proper unit installation.
Information on the warranty period, coverage, and terms for the heat pump.
Procedures and requirements for submitting a warranty claim.
Overview of the Astral Pool Heat Pump and its features.
Critical safety guidelines for the installation and operation of the heat pump.
Detailed instructions for connecting the heat pump to the pool's water system.
Guidelines and procedures for the correct electrical hookup of the unit.
Information on assessing and managing noise levels for neighbourly installations.
Technical specifications and performance metrics for different heat pump models.
Physical dimensions and measurements for the heat pump units.
Explanation of the wire controller's main screen and button functions for operation.
Guidance on selecting operating modes and setting the desired water temperature.
Instructions for setting the unit's clock and configuring timing functions.
How to access and interpret the unit's fault records for troubleshooting.
Recommended steps for regular inspection and upkeep of the heat pump.
Important safety cautions and warnings applicable to the heat pump.
Recommended cable sizes and types for proper unit installation.
Information on the warranty period, coverage, and terms for the heat pump.
Procedures and requirements for submitting a warranty claim.
| Brand | Astralpool |
|---|---|
| Model | 78543 |
| Category | Heat Pump |
| Language | English |











