• Code: H03
• Description: Front Heater Temperature Error
  Temperature read by the Front Heater is abnormal (lower than -10C or higher than 70C).
• Remedy: • Make sure that the Heater Relay Assembly is connected correctly to the Front Heater. • Replace the Heater Relay Assembly. • Replace the Front Heater.

• Code: H04
• Description: Rear Heater Temperature Error
  Temperature read by the Rear Heater is abnormal (lower than -10C or higher than 70C).
• Remedy: • Make sure that the Heater Relay Assembly is connected correctly to the Rear Heater. • Replace the Heater Relay Assembly. • Replace the Rear Heater.

• Code: H05
• Description: Center Heater Temperature Error
  Temperature read by the Center Heater is abnormal (lower than -10C or higher than 70C).
• Remedy: • Make sure that the Heater Relay Assembly is connected correctly to the Center Platen. • Replace the Heater Relay Assembly. • Replace the Center Platen.

• Code: H06
• Description: Front Heater Time-out Error
  The temperature of the Front Heater does not reach the preset temperature even after 15 minutes.
• Remedy: • Make sure that the Voltage alternation switch located at the back of the Printer is set correctly to the AC voltage being used. • Make sure that the Fuse (F2) on the Heater Relay Assembly has not blown. If the fuse has blown, replace it. • Make sure that the Heater Board is connected correctly to the Relay Board via the Relay Cable. • Make sure that the Heater Relay Assembly is connected correctly to the Front Heater. • Replace the Heater Relay Assembly. • Replace the Front Heater.

• Code: H07
• Description: Rear Heater Time-out Error
  The temperature of the Rear Heater does not reach the preset temperature even after 15 minutes.
• Remedy: • Make sure that the Voltage alternation switch located at the back of the Printer is set correctly to the AC voltage being used. • Make sure that the Fuse (F2) on the Heater Relay Assembly has not blown. If the fuse has blown, replace it. • Make sure that the Heater Board is connected correctly to the Relay Board via the Relay Cable. • Make sure that the Heater Relay Assembly is connected correctly to the Rear Heater. • Replace the Heater Relay Assembly. • Replace the Rear Heater.

• Code: H08
• Description: Center Heater Time-out Error
  The temperature of the Center Heater does not reach the preset temperature even after 15 minutes.
• Remedy: • Make sure that the Voltage alternation switch located at the back of the Printer is set correctly to the AC voltage being used. • Make sure that the Fuse (F2) on the Heater Relay Assembly has not blown. If the fuse has blown, replace it. • Make sure that the Heater Board is connected correctly to the Relay Board via the Relay Cable. • Make sure that the Heater Relay Assembly is connected correctly to the Center Platen. • Replace the Heater Relay Assembly. • Replace the Center Platen Heater.

• Code: H09
• Description: Operation Panel Switch Error
  The specified switch is not pressed for 30 seconds or more when the diagnostics that verifies the switch action is executed.
• Remedy: • Replace the Heater Relay Assembly.

• Code: H10
• Description: Zero Cross Error
  This error occurs when the diagnostics for the AC Relay is executed.
• Remedy: • Make sure that the Heater Board is connected correctly to the relays on the Heater Block Assembly • Make sure that the Heater Board is connected correctly to the Relay Board via the Relay Cable. • Replace the Heater Relay Assembly.