Blodgett ERR1 Error Code

What does Blodgett ERR1 mean?

ERR1 on Blodgett convection and HydroVection ovens signals that the control system commanded heat but detected no temperature rise within the expected time window. The controller locks out the heat demand and displays ERR1 with an audible alarm to prevent unsafe operation. This is a heating-circuit fault, not a probe fault — the controller can read temperature but the heat source is not responding.

Symptoms

• ERR1 appears on the digital control display accompanied by an audible alarm.
• Oven cavity does not reach or climb toward the set temperature.
• Burners fail to ignite on gas models, or heating elements remain cold on electric models.
• Heat demand is disabled; the oven will not cook until the fault is cleared and the root cause resolved.

Common causes

• Tripped circuit breaker or blown fuse interrupting power to the heating circuit.
• Failed gas igniter or ignition module preventing burner ignition on gas models.
• Open or failed heating element on electric models.
• Faulty relay or contactor on the control board that drives the heating circuit.
• Loose or damaged wiring between the control board and heating components.
• Gas supply off or insufficient gas pressure reaching the oven.

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Diagnostic steps

1. Check circuit breakers and power supply

   Verify the circuit breaker supplying the oven has not tripped and is fully seated. Reset any tripped breaker and power cycle the oven. If ERR1 clears and does not return, a transient power interruption caused the fault.

2. Verify gas supply on gas models

   Confirm the manual gas shutoff valve is fully open and that gas pressure at the oven is within the specified range (typically 3.5 in. W.C. for natural gas, 10 in. W.C. for propane). Low gas pressure will prevent ignition.

3. Inspect the igniter on gas models

   With the oven powered, observe whether the igniter glows orange-hot when heat is called. A weak or broken igniter will fail to light the burner. Check igniter resistance — a Blodgett silicon carbide igniter should read 50–200 ohms at room temperature; replace if open or cracked.

4. Test heating elements on electric models

   Power down and lock out the oven. Disconnect element leads and measure resistance across each element. A good element reads within the specification on the wiring diagram; an open reading (infinite resistance) confirms a failed element that must be replaced.

5. Inspect control board relays and wiring

   Visually inspect the control board for burnt relay contacts, damaged traces, or loose wire connections at the heating circuit terminals. A failed relay will pass voltage but not switch the heating circuit on. Replace any relay that shows signs of pitting or arcing.

6. Clear the fault and test

   After correcting any found fault, power cycle the oven to clear ERR1. Run the oven through a full heat cycle and monitor temperature rise to confirm the repair. Contact an authorized Blodgett service technician if ERR1 returns.

When to call a professional

Call an authorized Blodgett service technician if ERR1 returns after clearing, if a basic power or gas check does not reveal a cause, or if the fault traces to the control board or gas valve. Gas valve replacement, control board diagnosis, and high-voltage element work on three-phase electric models require factory-trained service and should not be attempted without proper tools and training.