Reefer Unit Repair in West Palm Beach, FL

Refrigerated loads can’t wait. Albert’s Road Service provides emergency mobile reefer unit diagnosis and repair to protect your temperature-sensitive cargo.

Reefer Services

• Refrigeration unit diagnostics
• Compressor repair and replacement
• Condenser and evaporator service
• Thermostat and controller diagnosis
• Refrigerant leak detection and recharge
• Belt and tensioner replacement
• Fuel system service (reefer diesel engine)
• Electrical and wiring repair
• Door seal and insulation inspection
• Temperature alarm troubleshooting

Brands We Service

Carrier Transicold, Thermo King, and other major refrigeration unit manufacturers.

Reefer alarm going off? Call 561-475-8052 — protect your load.

Symptoms That Mean You Need Reefer Unit Repair

A reefer failure means cargo loss. Every minute counts. Here’s what to watch for:

• Temperature climbing above setpoint — The most critical symptom. If the box temperature is rising toward the alarm threshold and the unit is running, the refrigeration system has lost capacity. Causes include low refrigerant, a failing compressor, dirty coils, or a restricted metering device. In Florida’s 95-degree ambient heat, a marginal system fails faster.
• Unit won’t start — The reefer engine cranks but doesn’t fire, or doesn’t crank at all. Fuel problems (clogged filter, air in the lines, empty tank), battery issues, glow plug failure, or a seized compressor can all prevent starting. Every minute the unit is down, your cargo temperature rises — especially in a South Florida parking lot in summer.
• Short cycling — The unit starts, runs briefly, then shuts down and restarts. This indicates a refrigerant pressure issue (high head pressure from dirty condenser, low suction pressure from low charge), an electrical control problem, or a safety switch tripping and resetting.
• Unusual noise — Compressor knocking, bearing squeal, loose belts slapping, or vibration from worn mounts all signal mechanical problems that will get worse. A compressor making metallic noises is close to failure.
• Frost or ice buildup on evaporator — A solid block of ice on the evaporator coil means the defrost cycle isn’t working. Without proper defrost, airflow is blocked and the unit can’t maintain temperature. Causes include a failed defrost heater, a thermostat that doesn’t initiate defrost, or a damper that doesn’t redirect hot gas.
• Alarm codes on the controller — Carrier and Thermo King controllers log specific alarm codes that identify the failing component. Alarms for high discharge pressure, low suction pressure, high engine temperature, low fuel, and sensor failures all require diagnosis.

Common Causes of Reefer Unit Failure

Reefer units are complete machines — engine, compressor, and controls — that run hard:

• Refrigerant leaks — Vibration, thermal cycling, and corrosion create leaks at brazed joints, flare connections, and compressor shaft seals. Florida’s salt air accelerates corrosion on evaporator and condenser coils. Low refrigerant reduces cooling capacity and eventually damages the compressor.
• Dirty condenser coils — The condenser rejects heat to the outside air. When it’s clogged with dirt, pollen, cotton from loads, and debris (all abundant in Florida), it can’t reject heat efficiently. Head pressure rises, the compressor works harder, and efficiency drops. In West Palm Beach’s heat, a dirty condenser is the difference between holding temperature and not.
• Fuel system contamination — Reefer diesel engines use the same fuel tanks that suffer from Florida’s water condensation and microbial growth issues. Clogged fuel filters and water in fuel cause hard starting and stalling — right when you need the unit most.
• Belt wear and tensioner failure — The serpentine belt drives the compressor, alternator, and water pump. A worn belt slips, reducing compressor speed and cooling capacity. A failed tensioner allows belt flapping and premature wear. Florida’s heat hardens and cracks belts faster.
• Electrical connection corrosion — Reefer units are mounted on the front of the trailer, exposed to full road spray and weather. Florida’s humidity and salt air corrode every electrical connection, from the controller plugs to the engine sensors.
• Engine wear — The reefer diesel engine accumulates hours fast — especially in Florida where it runs nearly continuously. Engine wear reduces power output, which reduces compressor capacity, which reduces cooling ability.

Our Diagnostic Process

Reefer diagnosis combines HVAC expertise with diesel engine knowledge:

1. Alarm code retrieval — We connect to the Carrier or Thermo King controller and pull all active and logged alarm codes. The alarm history tells us not just what’s wrong now, but what’s been developing over time.
2. System pressure analysis — We connect refrigerant gauges and read high-side (head) and low-side (suction) pressures. These pressures, compared to ambient temperature and box temperature, tell us the condition of the compressor, metering device, condenser, and evaporator.
3. Engine diagnostics — We check engine RPM, fuel pressure, coolant temperature, and oil pressure. A reefer engine that can’t maintain rated RPM under compressor load won’t pull temperature.
4. Electrical system testing — Battery voltage, alternator output, starter current draw, and sensor readings. We check for corroded connections that cause intermittent faults.
5. Airflow verification — We inspect condenser and evaporator coils for blockage, verify fan operation and rotation, check damper positions, and confirm proper defrost operation.

Our Repair Approach

We repair reefer units with urgency — your cargo is on the clock:

• Leak repair and recharge — We locate refrigerant leaks using electronic detectors and UV dye, make the repair, evacuate moisture from the system, and recharge to the correct weight. We don’t just add refrigerant to a leaking system — that’s a temporary fix that damages the compressor.
• Condenser and evaporator cleaning — We clean coils on-site using appropriate methods for the condition. Light debris gets blown out with compressed air; heavy buildup requires chemical coil cleaner. Clean coils restore capacity immediately.
• Engine service — Fuel filter replacement, fuel system bleeding, glow plug replacement, belt and tensioner replacement, and other engine services that restore reliable starting and operation.
• Component replacement — Compressor, condenser fan motors, expansion valves, solenoid valves, sensors, and controllers — we source and install Carrier and Thermo King parts for both current and older model reefer units.
• Pre-trip preparation — Before a long haul, we perform a complete reefer inspection and pre-cool verification to ensure the unit will hold temperature for the entire trip.

Florida-Specific Considerations

South Florida is the most demanding climate for refrigerated transport:

• Maximum heat rejection demand — When ambient air is 95 degrees and pavement radiates 140+ degrees, the condenser has to reject heat into already-hot air. This is the worst-case scenario for cooling system capacity. A reefer unit that holds -10F setpoint easily in winter may struggle to maintain 35F in a West Palm Beach summer.
• Continuous operation — Unlike northern climates where the reefer gets breaks during cool weather, Florida reefer units run at or near maximum capacity year-round. This accelerates wear on the compressor, engine, and all mechanical components.
• Produce and perishable cargo — Palm Beach County is a major distribution hub for produce, seafood, and perishable goods. A reefer failure in transit means cargo rejection at the receiver — losses measured in tens of thousands of dollars.
• Salt air corrodes coils — Trucks running coastal routes see accelerated corrosion on aluminum condenser and evaporator coils. Coil degradation reduces heat transfer efficiency and eventually creates refrigerant leaks.
• Fuel quality in reefer tanks — Reefer fuel tanks are small and may not turn over fuel as quickly as the main tractor tank. In Florida’s heat, fuel sitting in a small reefer tank is particularly susceptible to water condensation and microbial contamination.

Related Services

Reefer unit repair connects to diesel engine and electrical systems:

• Diesel Engine Repair — The reefer engine is a diesel that needs the same expertise
• Electrical System Repair — Controller, wiring, and sensor diagnosis
• Fuel System Repair — Fuel contamination affects reefer engines too
• Preventive Maintenance — Regular reefer service prevents breakdowns
• DOT Inspections — Reefer operation affects cargo compliance

A reefer failure in Florida heat is a cargo emergency. Call Albert’s Road Service at 561-475-8052 for priority mobile reefer repair anywhere in Palm Beach County.

Frequently Asked Questions

Q: How quickly can you respond to a reefer emergency in West Palm Beach? A: Reefer emergencies are time-sensitive because your cargo is at risk. We prioritize reefer calls and typically arrive within 30 to 60 minutes in the West Palm Beach area. If your temperature-sensitive load is at stake, call 561-475-8052 immediately — we treat reefer breakdowns as high-priority calls.

Q: Can you recharge refrigerant on-site? A: Yes. We perform leak detection and refrigerant recharge on-site for both Carrier Transicold and Thermo King units. If there’s a leak, we find and repair it first, then recharge the system to the correct level. Running a reefer with low refrigerant damages the compressor and won’t maintain proper temperature.

Q: Why is my reefer unit not holding temperature? A: Common causes include low refrigerant from a leak, a failing compressor, dirty condenser coils (Florida’s dust and pollen clog them quickly), a malfunctioning thermostat or controller, damaged door seals allowing warm air infiltration, or a worn evaporator fan. In Florida’s extreme heat, even minor efficiency losses can prevent the unit from holding setpoint. We diagnose the specific cause on-site.

Q: Do you work on both Carrier and Thermo King units? A: Yes. We service Carrier Transicold and Thermo King refrigeration units — the two dominant brands in the industry. We diagnose electrical faults, repair mechanical components, service fuel systems (reefer diesel engines), and address refrigerant issues on both platforms.

Q: How do I know if my reefer needs a compressor replacement? A: Signs of a failing compressor include inability to pull temperature down to setpoint, unusual noise from the compressor area, excessive vibration, oil leaks around the compressor, and high head pressure readings. A compressor that cycles on and off rapidly may have internal valve damage. We test compressor performance on-site and recommend repair or replacement based on our findings. Call 561-475-8052.