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Error code reference

Viking Range Error Code DSI 4 Flashes

Gas solenoid fault

Viking codesViking range codes

Gas solenoid fault — 4 flashes every 4 seconds on DSI board LED.

First step from the service manual

Check wiring and gas solenoid.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What DSI 4 Flashes means on a Viking range

The DSI 4 Flashes code on a Viking range indicates a gas solenoid fault detected by the Direct Spark Ignition (DSI) control board. The DSI board monitors the gas valve solenoid circuit during ignition attempts, and when it detects an open circuit, a short, or an out-of-range signal from the solenoid, it signals the fault by flashing its LED four times in a repeating four-second cycle. The gas solenoid is an electromechanical valve coil that opens to allow gas flow when energized by the DSI board during a call for heat.

The most likely starting points for diagnosis are the wiring harness connecting the DSI board to the gas valve solenoid and the solenoid itself. Damaged, corroded, or disconnected wiring between the board and valve can interrupt the control signal, causing the board to log a solenoid fault even if the valve coil is physically intact. A failed solenoid coil, which can be confirmed by checking its resistance with a multimeter, would also trigger this fault code.

Because this fault involves the gas valve control circuit, the range will not allow gas flow while the fault is active, which is a built-in safety lockout. Technicians should begin by inspecting all wiring connections at both the DSI board terminals and the gas valve solenoid terminals, looking for loose pins, burned insulation, or corrosion. If wiring checks out, the solenoid coil resistance should be measured and compared against the expected specification for the valve used in the unit.

Source: manufacturer service documentation.

Common causes of DSI 4 Flashes

  1. 01

    Loose or disconnected wiring at the gas solenoid

    Wiring / connection

    The wiring harness connecting the DSI board to the gas valve solenoid can vibrate loose over time or become disconnected during cleaning or service. Inspect the connector pins at both the board and valve ends for secure seating.

  2. 02

    Failed gas valve solenoid coil

    Part replacement

    The solenoid coil inside the gas valve can burn out or develop an open circuit, causing the DSI board to detect a fault. Use a multimeter to check the coil resistance at the valve terminals; an open reading confirms coil failure.

  3. 03

    Damaged or shorted wiring harness

    Part replacement

    Heat exposure or physical damage can cause insulation breakdown along the wiring between the DSI board and the gas valve, creating a short or open circuit. Visually inspect the full length of the harness for burned or chafed insulation.

  4. 04

    Faulty DSI control board

    Part replacement

    If the wiring and solenoid coil both test within acceptable parameters, the DSI board itself may be misreading the solenoid circuit due to an internal failure. The board should be considered for replacement after all other components are cleared.

See the test procedure for each cause

Frequently asked questions about DSI 4 Flashes

What does DSI 4 Flashes mean on a Viking range?
The DSI 4 Flashes code indicates a gas solenoid fault detected by the Direct Spark Ignition control board. The board flashes its LED four times every four seconds to signal that it is detecting an abnormal condition in the gas valve solenoid circuit. This fault causes the range to lock out gas flow as a safety measure until the condition is resolved.
Can I fix the DSI 4 Flashes error on my Viking range myself?
Some causes of this fault, such as a loose wiring connector at the gas valve or DSI board, can be addressed by a knowledgeable DIYer with basic electrical skills. However, any work involving the gas valve itself or the gas supply system should be performed by a qualified technician. If you are not comfortable working around gas appliance components, professional service is the safer choice.
Is it safe to use my Viking range while the DSI 4 Flashes code is active?
No. The DSI 4 Flashes fault triggers a safety lockout that prevents gas from flowing to the affected burner. Attempting to bypass or override this lockout is not safe and is not recommended. The range should remain out of service until the solenoid fault is properly diagnosed and corrected.
Will resetting my Viking range clear the DSI 4 Flashes error?
A power reset by disconnecting the range from its power supply for several minutes may temporarily clear the fault display, but the code will return if the underlying problem in the solenoid circuit has not been repaired. A reset alone does not fix the wiring or component issue causing the fault.
How much does it cost to repair a DSI 4 Flashes error on a Viking range?
Repair costs vary depending on the root cause. If only a wiring connection needs to be reseated, service call fees alone may apply, typically ranging from $75 to $150 depending on your location. Replacing a gas valve solenoid or the entire gas valve can add $150 to $400 or more in parts, and DSI board replacement can range from $100 to $350 in parts cost before labor.

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