mypros+
Error code reference

Cove Dishwasher Error Code 200142

HTR1 did not turn off when it was supposed to.

Cove codesCove dishwasher codes

HTR1 did not turn off when it was supposed to.

First step from the service manual

Check the mechanical operation of the door latch switch LS1.

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

MyPros+ Max

Get the full diagnostic procedure for 200142.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What 200142 means on a Cove dishwasher

Error code 200142 on a Cove dishwasher indicates that HTR1, the primary heating element, failed to shut off at the expected point in the wash or dry cycle. The control board monitors the heater's activation state and expects a signal confirming deactivation when the cycle timer or temperature threshold calls for it. When that shutoff confirmation does not occur within the allowed window, the board logs this fault and halts operation to prevent overheating or damage to internal components.

The first diagnostic step focuses on the door latch switch LS1 because this switch plays a role in the dishwasher's safety interlock system. If LS1 is stuck, worn, or mechanically binding, it may be sending an incorrect signal to the control board, causing the board to misread the heater's operational state. A faulty LS1 can also keep a relay energized longer than intended, which would prevent HTR1 from receiving the shutoff command properly.

Beyond LS1, the root cause could lie in the heater relay on the control board itself remaining closed, a wiring short that keeps the heater circuit continuously energized, or a failed control board that is not issuing the shutoff command. In rarer cases, HTR1 itself may have an internal fault causing it to draw current outside of normal commanded cycles. A systematic check of the switch, wiring harness continuity, relay function, and board output signals is the appropriate diagnostic path.

Source: manufacturer service documentation.

Common causes of 200142

  1. 01

    Faulty door latch switch LS1

    Part replacement

    If switch LS1 is mechanically stuck or worn, it may not actuate correctly, sending a bad signal to the control board that prevents the heater shutoff sequence from completing. Inspect the latch mechanism for binding, damage, or debris and test the switch for proper continuity at its open and closed positions.

  2. 02

    Stuck or welded heater relay on the control board

    Part replacement

    The relay responsible for energizing HTR1 can fail in the closed position, keeping the heater powered even after the board sends a shutoff command. This typically requires testing the relay output with a multimeter and may mean the entire control board needs replacement.

  3. 03

    Wiring short in the heater circuit

    Wiring / connection

    A short circuit in the wiring harness between the control board and HTR1 can keep the heater circuit energized regardless of control commands. Inspect the harness for pinched, melted, or chafed wires and check for continuity between heater circuit conductors and chassis ground.

  4. 04

    Failed control board not issuing shutoff command

    Part replacement

    If the control board itself has failed, it may not be generating the correct output signal to deactivate the heater at the proper cycle point. This is identified after ruling out the switch, relay, and wiring, and typically requires board replacement.

  5. 05

    HTR1 heating element internal fault

    Part replacement

    In rare cases the heating element itself can develop an internal short that causes it to draw current outside of commanded operation. Testing the element's resistance and verifying it is not grounding to the tub structure can help identify this condition.

See the test procedure for each cause

Frequently asked questions about 200142

What does 200142 mean on a Cove dishwasher?
Error code 200142 means the dishwasher's primary heating element, HTR1, did not turn off when the control system expected it to. The appliance detected that the heater remained active past its commanded shutoff point, which triggered a protective fault. The first thing to check is the mechanical operation of door latch switch LS1, as a faulty switch is a common contributor to this error.
Can I fix error code 200142 myself?
Some diagnostic steps, such as inspecting the door latch switch for visible damage or debris, are within reach for a knowledgeable DIYer. However, testing relay function on the control board and checking for wiring shorts safely requires a multimeter and some electrical knowledge. If the control board or heating element needs replacement, many homeowners prefer to have a qualified technician handle those repairs.
Is it safe to use my Cove dishwasher while error 200142 is active?
No, you should not continue running the dishwasher while this error is present. The fault indicates the heater may not be shutting off correctly, which creates a risk of overheating internal components. Keep the dishwasher off until the cause is diagnosed and repaired.
Will resetting the dishwasher clear error code 200142?
A reset may temporarily clear the fault code, but if the underlying cause is not corrected, the error will return as soon as the dishwasher runs another cycle. Clearing the code without repairing the defective component is not a fix and could allow the unsafe condition to persist.
How much does it cost to repair error code 200142 on a Cove dishwasher?
Repair costs depend on the failed component. Replacing the door latch switch LS1 is generally the least expensive repair, typically ranging from around $50 to $150 including parts and labor. A control board replacement is more costly, often falling in the $200 to $500 range depending on labor rates and part availability. Getting a diagnostic estimate from a certified technician before committing to a repair is recommended.

Related Cove dishwasher codes

All Cove dishwasher codes
View all 62 Cove dishwasher codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass