Huawei / Outdoor Telecom Power Systems

TMC11H Equipment information & support

The Huawei TMC11H is an outdoor telecom equipment enclosure featuring IP55 dust/water protection, double-wall insulation, an intelligent heat exchanger door, and integrated AC distribution for 4G/5G macro cell deployments.

Equipment information

Brand
Huawei
Equipment model
TMC11H
Equipment type
Outdoor Telecom Power Systems
Controller / software version
Confirm against the installed equipment
View full product specifications
Huawei TMC11H Outdoor Telecom Shelter Cabinet (IP55 Thermal Heat Exchanger Enclosure) - Official Front View

Information below comes from the current product catalogue. Confirm the controller, software version and configuration of the installed equipment separately.

Ingress Protection Rating
IP55 (Storm & Sandstorm Resistant)
Usable Internal Space
19-Inch Standard Rack / Multi-U Area
Thermal Management System
Intelligent DC Heat Exchanger (HEX)
Chassis Construction Material
Double-Wall Galvanized Steel + Foam
Security & Anti-Theft Lock
Three-Point Heavy-Duty Anti-Theft Lock
Built-In AC Distribution
Utility/DG Ingestion + Class C SPD

Alarms & troubleshooting

HEAT_EXCHANGER_FAIL / FAN_LOCK
Door temperature controller Red LED solid, cabinet high-temp relay closed
Internal/external circulation blower seized, or thermal controller fuse blown
1. Clear clogged lint and debris from door heat exchanger grilles;\n2. De-energize and inspect internal/external blower impellers for obstruction;\n3. Verify 48V DC power feed to the thermal control board;\n4. Replace defective brushless DC centrifugal fans with genuine units.
CABINET_TEMP_HIGH / OVER_HEAT
Yellow beacon flashing, remote EMS reports cabinet high temperature
Internal heat dissipation exceeds HEX cooling capacity, or extreme ambient summer temperatures
1. Review 24-hour internal cabinet temperature telemetry on the DCIM system;\n2. Audit total internal heat load and redistribute secondary equipment;\n3. Ensure unimpeded airflow around the enclosure, away from external exhaust;\n4. Upgrade to a higher-capacity heat exchanger door or add a DC air conditioner.
DOOR_OPEN_ALARM / INTRUSION
Door travel switch tripped, remote monitoring generates intrusion alert
Cabinet door ajar, locking mechanism tampered with, or door switch misaligned
1. Verify 3-point door locking handles are fully engaged and latched;\n2. Inspect mechanical travel switch contact arm and spring tension;\n3. Adjust switch mounting bracket so the door firmly depresses the actuator;\n4. Acknowledge and clear the intrusion alarm in the DCIM console after service.

Access Complete Maintenance & Full Alarm Troubleshooting Manual

This page lists high-frequency critical alarm codes commonly encountered in field maintenance. Comprehensive manufacturer troubleshooting matrices, board-level repair guides, detailed electrical schematics, and firmware commissioning manuals are delivered alongside equipment upon formal project procurement, accompanied by dedicated FAE technical support.

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