H98 — Outdoor high pressure overload protection

What does H98 mean?

This error signifies an overload protection in the outdoor high-pressure system.

• Outdoor high pressure sensor issue
• Water pump or water leakage
• Clogged expansion valve or strainer
• Excess refrigerant
• Outdoor PCB fault

Click steps to track your progress.

1. 1

   Check the outdoor high pressure sensor.

2. 2

   Inspect the water pump and check for water leaks.

3. 3

   Examine the expansion valve and strainer for blockages.

4. 4

   Verify refrigerant levels are not excessive.

5. 5

   Inspect the outdoor PCB.