OM POWER OM4001A - User Manual

Questions and Answers

T
tparrishAug 20, 2025
What to do if my OM POWER OM4001A Amplifier shows 'Refl. power too high'?
- M
  michellemannAug 20, 2025
  If your OM POWER Amplifier indicates 'Refl. power too high', you should check your antenna and reduce the output power.
K
kzimmermanAug 22, 2025
Why is the SWR too high on my OM POWER OM4001A?
- M
  Matthew GutierrezAug 22, 2025
  If the SWR is too high on your OM POWER Amplifier, check your antenna and the antenna switch.
S
Susan PruittAug 25, 2025
What should I do if the Grid current is high in my OM POWER Amplifier?
- P
  Patricia ShieldsAug 25, 2025
  High grid current in your OM POWER Amplifier is often due to overdriving the PA. Reduce the input power and check the amplifier tuning.
I
Isaac ValenzuelaAug 26, 2025
What to do if my OM POWER OM4001A Amplifier shows 'Power Out is too high'?
- W
  William ReevesAug 27, 2025
  If the 'Power Out' is too high on your OM POWER Amplifier, reduce the input power.
J
Jessica PrinceAug 28, 2025
What to do if my OM POWER OM4001A indicates 'Power In is too high'?
- N
  nkaneAug 28, 2025
  If your OM POWER Amplifier displays 'Power In is too high', reduce the input power and check the amplifier tuning.
L
Leslie AyalaAug 30, 2025
What to do if my OM POWER OM4001A displays 'Plate current too high'?
- M
  Misty ThompsonAug 30, 2025
  If the plate current is too high, reduce the input power, check the amplifier tuning, and check the EBS setting.
K
Kevin CaseyAug 31, 2025
What to do if my OM POWER OM4001A Amplifier shows 'Screen current error'?
- C
  Cynthia MathewsAug 31, 2025
  A 'Screen current error' usually means the PA is being overdriven. Reduce the input power, check the amplifier tuning, and check the plate voltage fuse.
T
Timothy CollinsSep 2, 2025
How to fix low output power (tune) on OM POWER OM4001A?
- B
  Bobby LaraSep 2, 2025
  If you are experiencing low output power due to a tuning issue, retune your OM POWER Amplifier.
S
shepardkimberlySep 4, 2025
What to do if my OM POWER OM4001A is too hot?
- X
  xwiseSep 4, 2025
  If your OM POWER Amplifier is overheating, check the cooling system and set up an additional blower.
A
Abigail WrightSep 6, 2025
What does 'HARD FAULT' mean on my OM POWER OM4001A Amplifier and how to fix it?
- B
  brucebeckerSep 6, 2025
  A 'HARD FAULT' indicates that the protection circuit saved HV against overload. Check the HV circuits and the tube.

Summary

SAFETY INSTRUCTIONS

GENERAL DESCRIPTION

3.1. HF Compartment

INSTALLATION

4.1. Grounding

Instructions on properly grounding the amplifier for safe operation.

OPERATION

5.2. OM4001 A control

How to operate the amplifier using the touch screen interface and control buttons.

5.3. Preparing for operation

Steps to prepare the amplifier for operation after initial setup.

5.4. Operation mode

Detailed steps and explanations for operating the amplifier in different modes.

MAINTENANCE

6.1. Indication of Fault Conditions

Explains warning and fault messages displayed by the amplifier's protection circuits.

APPENDIX

7.2. Controlling the OM4001 A with Flex Radios Series 6 xxx

7.3. OM4001 A Remote Control

Using dedicated software for remote operation and monitoring of the amplifier.

7.4. Remote Control using own public IP address

7.5. OM4001 A firmware upgrade

7.6. ICOM connection with OM4001 A

7.7. Yaesu plus BPF plus ANT Switch connection with OM4001 A

7.8. Control panel (rear side) connectors pin-out

7.11 Troubleshooting

Guide to diagnosing and resolving common faults and warning messages.

OM POWER OM4001A Specifications

General

Frequency Coverage	1.8 - 30 MHz
Cooling	Forced air
SWR Protection	Yes
Input Impedance	50 ohms
Output Impedance	50 ohms
Suppression of Harmonics	-50 dB
Power Supply	220 V AC
Dimensions	485 x 200 x 455 mm
Operating Modes	SSB, AM, CW
Frequency Response	1.8 – 29.7 MHz