AIR TO WATER POOL HEAT PUMP VERTICLE PH SERIES
30/ 52 VERSION 19 , RELEASE 29th June 2020
IMPORTANT NOTE: If a malfunction cannot be resolved immediately, in order to rectify the
problem, our technical advisor will need to know the message (error code)
that is displayed on the controller, as well as the values for the settings
(parameter 00-10 for LCD display while parameter 0-A for LED display) and
for status before the failure or, if this is impossible, just after it.
Please keep this information at hand when calling the Customer Services Department.
On the following pages, you will find an overview of the different types of problems that can occur, along
with directions to solve them.
7.3 Malfunction table
Please refer to the malfunction table to ascertain the failure cause and solution
2# Suction temp. sensor broken
Water pressure sensor broken
1# Water flow switch Protection
Cooling water temperature is too low
1# High pressure protection
Freezing point of failure
1# Low pressure protection
1# compressor overcurrent
2# High pressure protection
2# compressor overcurrent
2# Low pressure protection
1 # thermostat without water
Communication link failure
2 # thermostat without water
Cooling water temperature is high
1# High Exhaust temp. protection
2# Water flow switch Protection
2# High Exhaust temp. protection
3# High pressure protection
3# Low pressure protection
4# High pressure protection
4# Low pressure protection
1# Exhaust temp. sensor broken
3# High Exhaust temp. protection
2# Exhaust temp. sensor broken
4# High Exhaust temp. protection
Water return temp. sensor broken
Water inlet temp. sensor broken
3# Exhaust temp. sensor broken
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