Why is my Panasonic WH-SXC12K6E5 operation delayed a few minutes after restarting?
- MMatthew GarciaSep 10, 2025
The delay after restarting your Panasonic Heat Pump is a protection mechanism for the compressor.

Why is my Panasonic WH-SXC12K6E5 operation delayed a few minutes after restarting?
The delay after restarting your Panasonic Heat Pump is a protection mechanism for the compressor.
What does it mean if *1, *2 COOL mode is unavailable on my Panasonic WH-SXC12K6E5 Heat Pump?
If *1, *2 COOL mode is unavailable on your Panasonic Heat Pump, the system has been locked to operate in HEAT mode only.
Why is there loud refrigerant noise for several minutes in my Panasonic Heat Pump?
The loud refrigerant noise in your Panasonic Heat Pump is caused by protection control during de-ice operation when the outdoor ambient temperature is lower than -10 °C.
What to do if the Operation LED is not lit on my Panasonic Heat Pump Remote Controller?
If the Operation LED is not lit or nothing is displayed on the Panasonic Heat Pump Remote Controller, check if the power supply is working correctly or if a power failure has occurred.
Covers general warnings, R32 refrigerant risks, installation space, and personnel safety.
Outlines procedures for safe installation, servicing, repairs, leak detection, charging, and decommissioning.
Explains button functions, indicators, and display elements of the remote controller.
Guides through language selection, clock setup, and initial safety checks.
Instructions on accessing, navigating, and utilizing key functions like Force DHW, Quiet, and timers.
Covers Weekly Timer, Force Defrost, Error Reset, and Remote Control Lock features.
Configuration for timers, energy monitoring, system information, and error history.
Settings for remote control, display, clock, date/time, and service contact information.
Settings for PCB connectivity, zones, sensors, heater capacity, and anti-freezing.
Configuration for DHW, buffer tank, base pan heater, bivalent connection, and smart control.
Setup for solar connection, external meters, and various operation modes like Heat-Cool and defrost.
Guidelines for cleaning units, filters, system maintenance, and refrigerant handling.
Identifying and resolving operational issues, and understanding system error codes.
Information on network adapter, equipment disposal, and manual symbols.












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