Support & Diagnostics
Cross-Model Fault Reference
Auto-protection signature decoding, common failure modes, fuse ratings, bias adjustment procedures, and troubleshooting for all ACOM amplifier models.
Fault CodesDiagnosticsFuses
ACOM 1200S
HF/50MHz Solid-State LDMOS Amp (2018-)
BLF188XR LDMOS FET, switched-mode PSU, RF input/output boards, filter module, control/protection PCB, attenuator pad network, and fan assembly.
100+ parts Solid-State 1.2kW
ACOM 2000A
HF Dual-Tetrode Automatic Amp (2000-)
2×4CX800A (GU74B) tubes, HV PSU with 3.5kVA transformer, phase detector & input matching, Pi-L output tank, motor driver PCB, 80C31 control CPU, and vacuum relay QSK.
130+ parts Dual-Tube 1.5kW
ACOM 1500
HF+6m Single-Tetrode Linear Amp (2018-)
1×4CX1000A/8168 tetrode, 1500W PEP, linear HV PSU with uA723 screen reg, Pi-L output tank, 3 antenna outputs, OLED/VFD display, and 12-parameter monitoring.
140+ parts Single-Tube 1.5kW
ACOM 1000
HF Single-Tetrode Linear Amp (1990s-)
1×4CX800A (GU74B) tube, linear HV PSU, broadband input matching, Pi-L output tank, 80C552 control CPU, vacuum relay QSK, and parasitic suppressors.
110+ parts Single-Tube 1kW