Otis 400 Elevator

41 fault codes documented

Bill Jam

Bill Jam

Indicates a bill jam error within the bill validator. This obstruction in the banknote path prevents the validator from accepting or processing bills, leading to transaction failure.

Bill Motor

Bill Validator Motor Defective

Indicates a defective motor within the bill validator. This motor is responsible for transporting and stacking banknotes, so its malfunction will prevent bill acceptance and processing.

Bill Sensor

Bill Sensor Error

Indicates a bill sensor error within the bill validator. This affects the detection and validation of banknotes, potentially causing bills to be rejected or miscounted.

Bill Stacker Full

Bill Stacker Full

Indicates that the bill stacker in the bill validator is full. This prevents the acceptance of any further banknotes until the stacker is emptied, stopping cash transactions.

Bill Val Comm

Bill Validator Communication Loss

Indicates no communication with the bill validator for more than 5 seconds. This issue prevents the machine from accepting banknotes, making it inoperable for cash transactions.

Bill Val ROM

Bill Acceptor ROM Checksum Error

Indicates a ROM checksum error within the bill acceptor, suggesting corruption of its firmware or configuration data. This can lead to validation failures or system instability for banknotes.

Card Reader Comm

Card Reader Communication Loss

Indicates no communication with the card reader for more than 5 minutes. This prevents the machine from processing card payments, disabling cashless transactions.

Card Reader Error XY

Card Reader Malfunction

Indicates that a particular type of card reader malfunction has occurred, where 'XY' signifies the specific error type. This could be a hardware fault or a processing error preventing card transactions.

Changer Comm

Changer Communication Loss

Indicates no communication with the coin changer for more than 2 seconds. This issue prevents coin acceptance and dispensing, rendering the changer inoperable.

Changer Inlet

Changer Inlet No Coins Sensed

Indicates that no coins have been sensed by the coin acceptor for over 96 hours. This may be due to a blocked inlet, a faulty acceptor, or a lack of use, preventing coin acceptance.

Changer ROM

Changer ROM Checksum Error

Indicates a ROM checksum error within the coin changer, suggesting corruption of the changer's firmware or configuration data. This can lead to erratic behavior or inoperability of the changer.

Coin Jam

Coin Jam

Indicates a general coin jam within the changer mechanism, obstructing the coin path and preventing normal operation of coin acceptance or dispensing.

Compressor

Compressor Not Cooling

Indicates that the compressor is not cooling at a rate of 0.5º C per hour or better while active. This points to a performance issue with the refrigeration system, potentially due to mechanical failure or low refrigerant.

Critical Mech

Critical Vend Mechanism Error

Indicates a critical vend mechanism error has occurred, specifically that the DMC home sensor has malfunctioned. This sensor is crucial for the proper positioning and operation of the dispenser mechanism, and its failure will prevent vending.

Cup Sensor

Cup Sensor Malfunction

Indicates that the cup product detect transmitter, receiver, or the oscillator on the cup board has malfunctioned. This prevents accurate detection of cups and can halt vend operations, leading to product delivery issues.

DC Over Voltage

DC Over Voltage

Indicates that the voltage from the power supply was over 45VDC for more than 30 seconds. This points to a power supply regulation issue, which could damage connected electronic components due to excessive voltage.

DC Under Voltage

DC Under Voltage

Indicates that the voltage from the power supply was under 20VDC for more than 30 seconds. This signifies an insufficient power supply or an excessive load condition on the DC bus, potentially affecting multiple components.

Delivery Port Door

Delivery Port Door Error

Indicates that the DMC is reporting a port door error. This usually means the delivery port door is not opening or closing correctly, which can prevent product dispensing and may cause jams.

Delivery Port Sense

Delivery Port Sensor Error

Indicates that the DMC is reporting a port sense error. This can be caused by obstructions blocking the port's LEDs or a malfunction of the port's detection components, preventing delivery detection.

Delivery System

Generic Vend Mechanism Error

Indicates a generic error within the vend mechanism's delivery system. This can encompass a broad range of issues affecting product dispensing, requiring further investigation.

Disconnected Acceptor

Coin Acceptor Disconnected

Indicates that the coin acceptor is unplugged, leading to a complete inability to receive and validate coins. This will prevent any coin-based transactions.

Door Switch

Door Switch Open

Indicates that one or both of the vender's door switches have been open for more than one hour. This can be caused by a physical obstruction, wiring issue, or a faulty switch, potentially leading to operational lockout.

Excessive Escrow

Excessive Escrow Attempts

Indicates that more than 255 escrow attempts have occurred since the last coin was successfully accepted. This could be due to repeated coin rejections, a sensor issue, or an obstruction in the escrow path.

Health Safety Failed

Health Safety Limit Violated

Indicates that the health safety limit temperature has been violated. This is a critical error, as it means the product storage temperature has exceeded safe limits, potentially compromising product integrity and safety regulations.

Heater

Heating System Not Heating

Indicates that the heating system is not heating at a rate of 0.5º C per hour or better while active. This suggests a performance issue with the heating system, potentially impacting product temperature control.

Inlet Blocked

Coin Inlet Blocked

Indicates two coins were sensed at the inlet sensor but failed to make it to the changer within 10 seconds. This suggests a blockage or malfunction in the coin path between the inlet and the changer.

Inlet Sense

Coin Inlet Sensor Blocked

Indicates the machine’s coin inlet sensor has been blocked for more than a minute. This is an optional component not installed on all venders and prevents coin insertion into the system.

Low Acceptance

Low Coin Acceptance Rate

Indicates a low coin acceptance rate, specifically that more than 20% of the last 255 coins processed were identified as slugs. This suggests issues with coin validation or slug detection.

Misrouted Coin

Coin Misrouted

Indicates a coin had been improperly routed within the changer. This can lead to coins ending up in the wrong tubes, jams, or incorrect inventory counts.

No Pulldown

No Temperature Pulldown

Indicates an inability of the refrigeration system to reach the set point temperature. This implies a significant failure in the system's capacity to cool down the internal environment, affecting product storage conditions.

Open Cash Box

Cash Box Open

Indicates that the cash box is detected as open. This is typically a security alert or an indication that the cash box sensor is faulty, preventing secure operation.

RAM Checksum

RAM Checksum Error

Indicates that the machine setup information stored in RAM has been corrupted. This can lead to incorrect machine operation or configuration issues, as no test is available to verify the checksum internally.

Selection Switch XX

Selection Switch Stuck Closed

Indicates that a specific selection switch (identified by XX) has been detected as closed for more than 15 seconds. This implies a stuck key or a faulty switch on the keypad, and will prevent navigation of the service menu.

System Scale Factor

Incompatible System Scale Factor

Indicates that one of the credit peripherals (e.g., changer) has introduced an incompatible scaling factor, leading to incorrect credit processing or system miscalibration.

Temperature Sensor

Refrigeration Temperature Sensor Error

Indicates an unplugged or faulty temperature sensor within the refrigeration system. This prevents accurate temperature readings for refrigeration control, potentially leading to incorrect cooling or heating.

Too Cold

Refrigeration Too Cold

Indicates that the refrigeration temperature is 1.5º C below the compressor cut-out setting, suggesting the unit is overcooling. This can affect product integrity and potentially damage components.

Too Hot

Refrigeration Too Hot

Indicates that the refrigeration temperature is 1.5º C above the compressor cut-in setting, suggesting the unit is not cooling sufficiently. This can compromise product integrity and safety.

Tube Jam XX

Coin Tube Jam

Indicates a coin tube jam error for a specific coin type (XX). This obstructs the flow of coins within the changer's tubes, preventing proper dispensing or storage for that coin type.

Tube Sense

Changer Tube Sensor Error

Indicates a tube sensor error within the coin changer. This affects the proper detection, sorting, and dispensing of coins in the tubes, potentially causing miscounts or jams.

USD Comm

Universal Satellite Device Communication Loss

Indicates that the Universal Satellite Device (DMC) is no longer online. This means communication between the main controller and the DMC is lost, impacting peripheral control and system functionality.

Unassigned Cell XX

Unassigned Product Cell

Indicates that a specific product cell (identified by XX) is unassigned in the machine's configuration. This means no product is configured for that cell, and it cannot be sold.