Alarm codeAL H2
The regenerative power processing transistor in the amplifier has overheated due to resistor heat 2. The manual's first action is: “The ambient temperature of amplifier should be 55°C max. If an alarm appeared before running such as immediately after turning on power, contact us.”
- Model
- RYS MHT260a
- Display shows
- Resistor heat 2 (AL H2)
- Type
- Alarm code
- Source
- Manual p. 247
What AL H2 means
Resistor heat 2 p. 252
Common causes
- Resistor heat 2 p. 252
- The regenerative power processing transistor mounted on the amplifier overheats. p. 252
What to do
- The ambient temperature of amplifier should be 55°C max. If an alarm appeared before running such as immediately after turning on power, contact us. p. 252
Before you service the product, read the safety instructions in the manual p. 3.
If AL H2 is still not resolved
- Contact Fuji for special systems or applications such as atomic-energy control, aerospace use, medical use, and traffic control. p. 4 “Customers, who want to use the products introduced in this manual for special systems or devices such as for atomic-energy control, aerospace use, medical use, and traffic control, are requested to consult the Fuji.”
This page summarises what the manufacturer’s manual says about AL H2; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with RYS. Found a mistake? Report an error.