INSTALLATION & INSTRUCTION MANUAL
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X 19 | X 24 SWIMMING POOL HEAT PUMP UNIT
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4. USAGE AND OPERATION
4.2.G - Keyboard lock
To avoid mis-operation, please lock the controller after parameter setting.
At the main interface, press
“
”
for 5 seconds, the keyboard will be locked.
When the keyboard is locked, press
“
”
for 5 seconds, the keyboard will be
unlocked.
NOTES: When the unit is in alarming state, the key lock can be removed automatically.
4.2.H - Malfunction display
There will be malfunction code showing on the controller screen when relative
malfunction occurs.
You can refer to the malfunction table to find out the failure cause and solution.
For example
：
