Ice-O-Matic Ice Machine Error 1: Cycle Time Exceeded

What does Ice-O-Matic error 1 mean?

The control board times each ice-making cycle. A freeze should finish within 1 hour, and a harvest within 5.5 minutes. When either limit is exceeded, or both, the board records Error 1 and flashes the POWER LED quickly in red. The error describes a timing result, not a single failed part, so it needs context. The manual's cause list comes from its high pressure cut-out paragraph: when the cut-out opens during freeze, the unit may go into Error 1. The paragraph names a dirty or blocked condenser, a failed fan cycle control, a failed fan motor, a high-side restriction, and refrigerant overcharge. The manual gives no reset steps in the code line. It advises running a Diagnostic Cycle by holding the Power and Clean buttons for 6 seconds, with stub gauges attached to check operating pressure. A technician reads those pressures to separate an airflow problem from a sealed system problem. A cube machine that cannot reject heat takes too long to freeze, which is how a dirty condenser becomes Error 1.

Affected models and control systems

This applies to the Ice-O-Matic Elevation Series CIM modular cubers, models CIM0320 through CIM2046, from the Technical Service Manual dated 1/2020. Other Ice-O-Matic series have their own code lists.

Code numbers and their meaning can change between control generations. We match the full model and control before acting on a code.

What you may notice

• The POWER LED flashes red quickly
• The machine stops making ice or makes very little
• The bin runs low during busy periods
• The condenser fan is not running or the condenser looks clogged

Possible causes

Listed in Ice-O-Matic's documentation

• High pressure cut-out opening during freeze (dirty or blocked condenser, failed fan cycle control, failed fan motor, high-side restriction, refrigerant overcharge)

Other likely causes — what usually sits behind error 1 on this control. A technician confirms which one it is before any part is replaced.

• Grease and dust on the condenser fins in a hot kitchen are keeping the head pressure high
• Warm air recirculating around the machine because of poor clearance
• Hard-water scale on the evaporator is slowing the freeze and harvest times

Safe checks before calling for service

How a technician diagnoses error 1

1. Read the flashing code and confirm Error 1.
2. Check condenser condition, fan motor and fan cycle control operation.
3. Run the Diagnostic Cycle by holding Power and Clean for 6 seconds, with stub gauges attached.
4. Compare pressures with the chart, and check the high pressure cut-out.
5. Check for a high-side restriction or overcharge only after airflow passes.

How error 1 differs from similar codes

Error 1 is a cycle time result with a pressure link, whereas Errors 2 and 3 involve the thermistor and fill or purge times.

Technical reference

Maker documentation

Ice-O-Matic owner support

Edition

1/2020

Models / control

Elevation CIM board

Section

Control Board section, Error Codes (p. 27); Troubleshooting note on the High Pressure Cut-out

Checked

October 2026

We use the maker's document to read the code and do not reproduce it. Always confirm the complete model and control before applying these steps.